Indiana Nursery & Landscape News, July/August 2014

The Official Publication of the Indiana Nursery & Landscape Association

Indiana Nursery & Landscape News Volume 74 • Issue 4

July/August 2014

www.inla1.org

Cover: INLA Award of Excellence Winner Hardscape Design/Build Commercial Aspen Outdoor Designs, Inc.

Hardscaping

Outdoor Rooms for Outdoor Living Pervious, Permeable, and Porous Pavers — Are They Really the Same?

Tips for Proper Paver Maintenance

Follow us!

shooting for scholarships 6

Educator Profile 12

trees in history 14

THIRD Annual

for

Shooting Scholarships

fundraiser

Sporting Clays Shoot / Live Auction Summer Tour / Dinner Proceeds benefit the INLA/INEF Educational Scholarships in horticulture at Purdue University and Vincennes University.

August 7, 2014 Indiana Gun Club, 14926 E. 113th Street, Fishers, IN

Join the Indiana Nursery & Landscape Association for our Sporting Clays Shoot –OR– the Summer Tour — followed by dinner with awards, a live auction, and cigars.

Schedule: 8:00 am Tour Registration opens with continental breakfast

8:30 am 12:30 pm 1:30 – 4:30 pm 4:30 – 7:00 pm

Tour Departs —includes lunch (returns before dinner) Shoot Registration opens and lunch Sporting Clays Shoot Casual Buffet Dinner with awards, live auction, & cigars

Registration is now open!

See pages 6 & 7 – or – www.inla1.org • 1-800-443-7336 Many participation options to fit your schedule or interests.

NEW in 2014 More Shooting Opportunities

Indiana Nursery & Landscape News Volume 74 • Issue 4 July/August 2014

Contents The Hardscape Issue 17 Survey Finds Pleasure and Pain Spur Landscape Projects

Indiana Nursery & Landscape News is the official publication of the Indiana Nursery & Landscape Association, Inc. (INLA) and is published bimonthly.

Indiana Nursery & Landscape Association 7915 S. Emerson Ave., Suite 247 Indianapolis, IN 46237 Phone: 317-889-2382 Toll Free: 800-443-7336 www.inla1.org Publisher Donna Sheets, Executive Director, INLA 317-889-2382 • dsheets@inla1.org

18 Outdoor Rooms for Outdoor Living

18

Alan Drane, The Stone Center of Indiana

20 Pervious, Permeable, and Porous Pavers — Are They Really the Same?

Mark Walker, Kuert Concrete, Inc.

24 Tips for Proper Paver Maintenance

Editor and Ad Sales Mary Breidenbach, Cumulus Design 317-205-9635 • mary@ecumulus.com

Patty Vaughan, TotalLandscapeCare.com

Advertising Rates: Media Kit available online at www.INLA1.org

20

Departments Copy Deadline: First of the month preceding the month of the issue. Reprint permission granted if source is indicated.

2

President’s Message

4

Calendar

Views expressed in articles or editorials do not necessarily reflect the views and opinions of the Association or its Directors, but are those of the writer. Trade names used in articles are for identification only. No discrimination is intended toward similar products and the INLA does not endorse the use of the products mentioned.

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Subscriptions: Included with membership to the INLA. Nonmembers: $36.00 per year (six issues per year).

For questions regarding subscriptions, please call INLA at 317-889-2382.

Cover Photo: Reading Rock outdoor displaay, Fishers, Indiana. Photo courtesy Aspen Outdoor Designs, Inc.

INLA News July Is Smart Irrigation Month Statewide Tree Planting Campaign Partnership Sought 6 Shooting for Scholarships Fundraiser Information and Registration 8 Movers & Shakers 10 A First for Indiana and an INLA-Sponsored Program 12 Educator Profile: Michael Johnson, Prosser Career Education Center 14 Trees in History: The Endicott Pear 16

IDNR: Stump the Nursery Inspector!

26

George Brenn’s IAH Study Guide

27

Advertiser List Toolbox Talks

28

IAH Quiz! Earn CEUs by completing the quiz!

10

Indiana Nursery & Landscape News • July/August 2012

1

President’s Message When will it stop raining? If you remember the old saying April showers bring May flowers please tell me when that started to include June. All kidding aside, the weather has been an issue for most of the people I know in the industry from a long winter, to a long wet spring, to now the beginning of summer— and we only have 4 to 5 more months to make it all up.

Robert Johnstone

The topic of this issue is Hardscaping, which has became a large portion of the green industry. I can remember when a company that only focused on hardscaping or outdoor living was a rarity and now it seems to be commonplace.

I am excited to learn about the three Ps — permeable, pervious, and porous pavers in the article written by Mark Walker of Kuert Concrete, Inc. (page 20). I have seen that part of the industry grow over the last several years due in part to the need for better storm water management, as well as the replacing of existing pavements and the advantages you receive when designing with these types of surfaces.

Alan Drane from The Stone Center of Indiana has also written an article on outdoor living spaces (page 18). One thing that I think is important to remember is that a house costs X per sq. ft. to remodel or build. The outdoor living rooms that I see being created are very user friendly and most times more cost effective than a traditional room addition and will be used a lot more during our outdoor living seasons of spring, summer, and fall. I use my outdoor space all of the time rather than sitting in the kitchen as we did when I was younger. My family nows gathers outside most of the time to enjoy the openness of the outdoor spaces.

I look forward to seeing some of you at the INLA summer event, Shooting for Scholarships Fundraiser and Summer Tour in Fishers on August 7 (mark your calendars.)

Included in this issue on pages 6 & 7 is the event information and registration. There is something for everyone — choose between the sporting clays shoot or going on the summer tour. The event will be held at the Indiana Gun Club near Geist Lake. As usual, the shoot is a competition for awards and of course, bragging rights. The tour is a great way to see projects and visit some of our members’ facilities. This will be our third year at this location which offers us an excellent location for the start and end the tour and to gather for dinner and a live auction afterwards.

I hope to see you at the summer meeting and hope you enjoy the beautiful summer.

Yours in Rock, Robert C. Johnstone robert@fireboulder.com, 317-750-7384

New & Returning INLA Members Active

Rose Hill Lawn Care, Landscaping, & Snow Service Cary Albin 510 S 25th St., Terre Haute, IN 47803 Phone: (812) 230-0024

Affiliate

Plant and Pest Diagnostic Lab, Purdue University Gail Ruhl 915 West State Street West Lafayette, IN 47907 Phone: (765) 494-4641 2

When it is obvious that the goals cannot be reached, don’t adjust the goals, adjust the action steps. –Confucius

New IAH Masters Robert Bulger, Michigan City, IN David Woodruff, Michigan City, IN

New Landscape Industry Certified (CLT-E) Brian Dougherty, Softscape Installation Cody Giordano, Softscape Installation

Indiana nursery & Landscape association • www.inla1.org

2014 INLA Officers Robert Johnstone, President Fireboulder 226 E. Staat Street Fortville, IN 46040 Ph: 317-750-7384 Brian Julius, President-Elect Walnut Ridge Nursery & Garden Center 2108 Hamburg Pike Jeffersonville, IN 47130 Ph: 812-288-6691; Fax 812-288-1580 Erick Brehob Vice President Brehob Nursery, Inc. 4316 Bluff Road Indianapolis, IN 46217 Ph: 317-783-3233

Rich Blankenship, Honorary Secretary Mark M. Holeman, Inc. 7871 Hague Road Indianapolis, IN 46256-1753 Ph: 317-849-3120; Fax 317-578-0439 Donna Sheets INLA Executive Director and Publisher Mailing address for INLA office: 7915 S. Emerson Avenue, Suite 247 Indianapolis, IN 46237 Ph: 317-889-2382 or 800-443-7336 Fax: 317-889-3935 • www.inla1.org Email: dsheets@inla1.org

INLA Board of Directors Jim Calvin (2015), Calvin Landscape Ph: 317-247-6316 Kyle Daniel (2014), Purdue University, Department of Horticulture & Landscape Architecture • Ph: 765-494-7621 Brian Franco (2016), Franco Landscaping Ph: 317-858-3858 Kim Glass (2014), M.J. Schuetz Agency Ph: 317-639-5679 Gabriel Gluesenkamp (2016), Designscape Horticultural Services • Ph: 812-988-8900 Kate Jones (2014), Blue Moon Farm Ph: 765-675-2413 Dave LaFara (2015), Tiffany Lawn and Garden Supply • Ph: 317-228-4900 Mark O’Brien (2016), Cardno JFNew Ph: 574-586-2412 Dean Ricci (2014), Ricci’s Landscape Management, Inc. • Ph: 219-996-2682 Open postion

Indiana Nursery & Landscape News • July/August 2014

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CALENDAR July 2014 15

Specializing in Air-Root Pruning Propagation with RootMaker®products

Purdue Turf and Landscape Field Day West Lafayette, IN • W.H. Daniel Turf Center • This one-day event presents Purdue University’s latest turfgrass and landscape research. Attendees will learn about current topics concerning the green industry, as well as see displays and demos of the latest management tools. CCHs available.

Contact: Tammy Goodale, tgoodale@purdue.edu or 765-494-8039 or visit www.mrtf.org to register.

12–14 Cultivate’14 (formerly OFA Short Course)

Columbus, OH • Considered to be the largest horticulture trade show in North America, Cultivate’14 offers educational and networking experiences, and trade show exhibits for retailers, nursery production, and landscaping. Sponsored by AmericanHort.

Contact: Cultivate14.org

Offering sturdy 1-year liners up to 2" shade trees

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Growing a diverse selection of native trees and shrubs

August 2014 1–17

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MRTF Lawn Care Diagnostic West Lafayette, IN Contact: Tammy Goodale, tgoodale@purdue.edu or 765-494-8039 or visit www.mrtf.org to register.

Maximum CCHs available: 3A(4), 3B(7), 6(4), RT(4)

Indiana State Fair Indianapolis • Indiana State Fairgrounds www.indianastatefair.com INLA Shooting for Scholarships Fishers, IN • Indiana Gun Club • Always a fun day, INLA’s third annual “Shooting for Scholarships” raises fund for the INEF Scholarship Fund.

Includes a sporting clay shoot, a summer tour, awards, a live auction, and dinner. Sponsorships available.

See page 6 & 7 for details and registration.

Contact: www.inla1.com or call 317-889-2382.

14–15 2014 ILA Summer Bus Trip

St. Louis, MO • This year’s annual bus trip will be a charter bus tour of SEMCO Stone, including after hours party, Hotel/Casino and a private tour of Anheuser Bush.

Contact: Indianapolis Landscape Association, www.indylandscape.com 19–21 Independent Garden Center (IGC) Show

Chicago, IL • Navy Pier Contact: www.igcshow.com 21

IPLLA Summer Field Day Danville, IN • Hendricks Co. Fairgrounds • Workshops throughout the day covering topics in turf, irrigation, plant growth, pests and much more.

Maximum CCH Available: 2(4), 3A(4), 3B(5), 5(3), 6(3), 7A(1), RT(4) Contact: Bob Andrews, 317-575-9010, ba@iplla.com, www.iplla.com

Phone: (317) 994-5487 Toll free: (866) 766-8367 Fax: (317) 994-5494

www.woodywarehouse.com sales@woodywarehouse.com 3339 W. County Road 850 N. P.O. Box 259, Lizton, IN 46149 4

Indiana nursery & Landscape association • www.inla1.org

Grab your camera and document your projects now!

Award of Excellence

Applications due: November 1 Download application form at www.inla1.org

INLA News

July Is Smart Irrigation Month Mark White, Automatic Irrigation The Irrigation Association (IA), understanding the increased use of water that occurs during the summer, chose to designate July, the month with peak water usage, to be Smart Irrigation Month (SIM) in order to increase public awareness about simple practices and innovative technologies homeowners, businesses, and property managers can use to protect their community’s water supply for generations to come. As a result of efforts from irrigation professionals across the country, several governors, including Indiana Governor Mike Pence, have officially declared July to be SIM. However, to have an impact, the principles of smarter irrigation cannot merely be proclaimed, they must be practiced. To this end, the IA emphasizes several tips to help consumers act to use water more efficiently. Avoid using a sprinkler attached to a hose to irrigate, as that is an extremely imprecise and inefficient method of irrigation.

Design an irrigation system to efficiently water lawns and landscaped areas with water conservation in mind. Upgrade systems as necessary in order to take advantage of new developments that can increase the efficiency of irrigation systems and decrease the cost of operating it. Finally, work with an irrigation professional who can help design and install an irrigation system that is the most efficient and effective to meet your needs.

We hope these efforts will help raise awareness of how to efficiently use water throughout the month of July and months and years to come in order to protect one of Earth’s most precious resources. However, the principles of smart irrigation are not and should not be limited to a single month or even a single year. Now is the time to not only join the conversation about conservation, but to act upon it as well.

Mark White it the Irrigation Association’s ambassador to Indiana for education and irrigation certification. If you have questions about Smart Irrigation Month, please contact Mark at mwhite@automaticirrigation.com or go to www.irrigation.org.

Statewide Tree Planting Campaign Partnership Sought Tiffany Arp, IDNR, Community & Urban Forestry

Across Indiana, many communities are under-treed. The existing urban forests are aging out or succumbing to various insects and diseases, such as emerald ash borer (EAB). And in many cases, what trees are being planted in their place are monocultures with tree stock procured from nonlicensed tree nurseries.

To help combat poor purchasing practices and increase urban forestry awareness, the Indiana DNR Community and Urban Forestry (CUF) Program is coordinating a statewide NeighborWoods Month tree-planting campaign in October. This campaign will bring together municipal foresters and arborists, public works directors, parks departments, and other community organizations with local Indiana nurseries — YOUR nursery.

The CUF program is excited to announce our first partner on this project: Charlotte Creek Nursery. Mike Womack with Charlotte Creek Nursery has graciously agreed to match CUF’s $12,000 in grant funds with up to $12,000 in

1½˝ landscape grade trees to give to municipalities across Indiana! This means we’ll have 240 trees to give to communities that help celebrate NeighborWoods Month in October!

We are interested in working with additional nurseries throughout the state; we have $12,000 in funds, and ask that you match 1:1. For example, if you are interested, but can only donate $1,000 in trees, we’ll give you $1,000 and you’d match it giving the project $2,000 in trees for communities.

Participating communities will come to your nursery to pick up their tree(s). This gives you invaluable face-to-face networking time with the municipalities’ annual tree purchasers! Additionally, DNR will be posting multiple news releases giving your nursery statewide free advertising and great positive publicity!

If you are interested in participating in this public awareness campaign, please contact Tiffany Arp or Carrie Tauscher with CUF at (317) 234-4386 or email at urbanforestry@dnr.in.gov.

Indiana Nursery & Landscape News • July/August 2014

5

Third Annual

for

Shooting Scholarships

fundraiser

& summer tour

THursday, August 7, 2014 at the Indiana Gun Club in Fishers

Fundraiser benefits the INLA/INEF Educational Scholarships in Horticulture at Purdue University and Vincennes University.

Address: 14926 E. 113th St., Fishers, IN

Registration is now open! Join the Indiana Nursery & Landscape Association for our Sporting Clays Challenge OR the Summer Tour AND then gather for dinner with awards, a live auction, and “cigars!”

Schedule:

THINGS YOU NEED TO KNOW about the SPORTING CLAYs Event • A safety training sticker will be required by attending a brief safety training session before you can shoot.

• A limited supply of ear protection and safety glasses will be provided.

• A limited number of shotguns will be available • Shells and targets as well as the instruction are included in your entry fee. PLEASE do not bring your own shells.

• Guns should always be unloaded prior to shooting.

• Gun actions to be open when not shooting or moving from station to station.

• Load only one shell at a time.

• Ear and eye protection is required.

8:00 am 8:30 am 12:30 pm 1:30 – 4:30 pm 4:30 – 7:00 pm

NEW in 2014 More Shooting Opportunities

Tour Registration opens with continental breakfast Tour Departs —includes lunch (returns before dinner) Shoot Registration opens and lunch Sporting Clays Shoot Casual Buffet Dinner with awards, live auction, & cigars

Sporting Clays Shoot Details: This unique and entertaining fundraiser has realized great success for other association scholarship programs, becoming one of their most popular networking events. Bring your customers, employees, and friends! Both experienced shooters and novices are welcome and encouraged to attend.

If you are unable to attend but would like to donate to the scholarship fund, please complete the hard-copy registration form and indicate the amount you wish to donate.

Individual and team registrations (5 shooters per team) are available. A morning session will be offered, limited to 50 participants. All targets and shells will be furnished, and some shotguns will be available for use, or you may bring your own shotgun. Safety instructions will also be provided.

If you wish to attend the fundraiser but do not wish to participate in the sporting clays challenge, you may register as a spectator.

Lunch and beverages will be provided. Trap and skeet games with prizes will also be available at an additional cost.

Summer Tour Details: Tour stops are still firming up but we plan to visit suppliers, nurseries, and landscape projects.

Our tour will depart from the Indiana Gun Club and visit a couple of vendors and landscape projects nearby. Five IAH CEUs may be earned.

If you have a project in the Carmel, Fishers, Noblesville, or Tipton area that you would like to showcase, please contact Kate Jones at 765-675-2413 or email her at kate@bluemoonperennials.com.

Registration next page

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Indiana nursery & Landscape association • www.inla1.org

INLA Shooting for Scholarships Fundraiser & Summer Tour

REGISTRATION & Sponsorship FORM ALL EVENTS TAKE PLACE/DEPART FROM THE INDIANA GUN CLUB, 14926 E. 113TH ST., FISHERS, IN 46040 Date: Thursday, August 7, 2014

Return by: July 31, 2014

• Tour Registration/Continental Breakfast: 8:00 am/departs at 8:30 am • Shoot Registration/Lunch: 12:30 pm/Shoot starts at 1:30 pm • Dinner, Awards, Live Auction: 4:30 – 7:00 pm Location: Indiana Gun Club, 14926 E. 113th St., Fishers, IN 46040 Tour Fees: $45 per person for tour and lunch $75 per person for tour, lunch, and dinner

Shoot Reg. now includes dinner

Please print one form per event ___ Tour Registration Only ___ Shoot Registration Only

Shoot Fees: $600 per team of 5 includes shoot, lunch, & dinner Shoot registration includes: targets, shells, shotguns upon request, safety instructions and limited shooting instruction, lunch, refreshments, dinner, and prize eligibility. $125 per person includes shoot, lunch, & dinner $ 20 per person for spectator/lunch and refreshments only $ 30 per person for spectator/dinner only

Registration: Company:____________________________________________ Name(s) of individuals or team of 5 attending:

SPONSORSHIP OPPORTUNITIES Sponsors will be acknowledged verbally and on signage throughout the program, in addition to an upcoming issue of the INLA Newsletter. Sign up for sponsorships soon and realize the maximum benefit of pre-event publicity!

1)____________________________________________________

Company: _________________________________________

2)____________________________________________________

Contact:___________________________________________

3)____________________________________________________

Cell: ______________________________________________

4)____________________________________________________

Email:_____________________________________________

5)____________________________________________________ Address:______________________________________________ City, St, Zip:___________________________________________

Sign me up for the following sponsorships (we have more than one sponsor per category):

Fax:_________________________

_____ $250 Station Sponsors — your logo/name on individual station signage. PLEASE PROVIDE A LIVE AUCTION ITEM. (20 opportunities or 2 per station)

Email:________________________________________________

_____ $250 Tour Continental Breakfast (2 opportunities)

Select registration items:

_____ $500 Shoot or Tour Luncheon (2 opportunities)

Phone:______________________ Cell:____________________

No. of People

_____ Tour + lunch @ $45/person......................................$__________ _____ Tour + lunch + dinner @ $75/person........................$__________ _____ Shoot: Team of 5 ($600/team)..................................$__________ _____ Shoot: Individual @ $125/person..............................$__________ _____ Shoot: Spectator + lunch @ $20/person...................$__________ _____ Shoot: Spectator + dinner @ $30/person..................$__________ _____ Sponsorship Contribution Total................................$__________ _____ Additional Scholarship Contribution.........................$__________ Total amount enclosed........................................... $__________

PAYMENT: ___ Check enclosed made payable to INLA ___ Credit card (circle one): Master Card

Visa

Discover

Name on card:_________________________________________ Card number:__________________________________________

_____ $250 Tour Bus Sponsors (4 needed) — Includes bus signage and an opportunity to do a 5-minute talk about your company/product _____ $350 Dinner Beverage (2 opportunities, alcoholic beverages during dinner only and non-alcoholic beverages throughout the day) _____ $700 Dinner Sponsor (2 opportunities) _____ $300 Prize (2 opportunities) will be awarded to First Place Individual on each team ($50 Visa gift cards) _____ Door prize donations (please describe) ___________________________________________ (Suggestions are coolers, tools, bag chairs, electronic items, event tickets, gift cards, etc.) _____ Live auction donations (please describe) ____________________________________________ (Suggestions are gift cards, landscape material, products, electronics, equipment, etc.)

Expiration date:_____/_____ 3 digit security code: ________ Billing address if different from above: (address, city, state, zip) _____________________________________________________

Please fax, email, or mail to the INLA Office by July 31, 2014 Fax: 317.889.3935 • Email: info@inla1.org Questions: 800-443-7336 or 317-889-2382 Mail: INLA 7915 S. Emerson Ave., Ste 247, Indianapolis, IN 46237 Indiana Nursery & Landscape News • July/August 2014

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INLA News

Movers & Shakers

Listed are INLA members, their employees, or their organizations who have achieved recognition, special acknowledgments, an award, or a new position. Submit your news to Mary Breidenbach at mary@ecumulus.com or by fax at 317-205-9635.

Wetzstein Appointed New Head of Purdue HLA Department Hazel Wetzstein, professor of horticulture at the University of Georgia, has been appointed professor and head of Purdue University’s Department of Horticulture and Landscape Architecture.

The appointment, effective Aug. 1, was announced Monday, May 5, by Jay Akridge, Glenn W. Sample Dean of the College of Agriculture. Wetzstein succeeds Robert Joly, who is returning to the faculty after serving eight Hazel Wetzstein years as department head.

“Dr. Wetzstein is a respected scholar and thoughtful leader,” Akridge said. “She made a deep and positive impression on the Department of Horticulture and Landscape Architecture and the college during her visits here, and I could not be more excited about the future of the department under her leadership.”

Wetzstein received her Bachelor’s degree in biology from California State University in 1975 and doctorate in botany from the University of California-Davis in 1978. She first joined the biological sciences faculty at the University of Nevada before moving in 1980 to the University of Georgia, where she was promoted to professor in 1995. In addition to her work in the Department of Horticulture there, she also was on the faculty in the School of Forest Resources.

Wetzstein’s research emphasis has been in plant growth and development, reproductive biology, conservation and tissue culture, and medicinal plants.

Akridge thanked Joly for his service as head of the Department of Horticulture and Landscape Architecture. “I want to express my

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Vine & Branch Awarded TCIA Safety Award

Tree Care Industry Association (TCIA) Safety Awards recognize “exemplary action” by awarding The Outstanding Company Contribution Award to Vine & Branch, Inc. The award recognizes a member’s proactive program to address safety issues within its own company and/or within a larger sphere of influence.

For 2013 the (TCIA) recognized just five companies from across the United States and Canada with the prestigious Outstanding Company Contribution, Safety Award. Among them was Vine & Branch, Inc. of Carmel, Indiana. TCIA stated in their press release: TCIA recognizes Vine & Branch’s continued program, “There’s Always Time for Safety!” – which includes several initiatives, namely: a Hazard Tree Recognition public awareness, Tree Inspection Program (TIP), their Visual Tree Assessment Program (V-TAP), as well as their Safety, Training and Personal Wellness Program. The latter is a brand-new initiative for 2013. For this program they created a schedule and brought in a series of speakers for one- to three-hour classes.

Vine & Branch Awards Annual Excellence in Urban Forestry Award

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deepest appreciation to Dr. Bob Joly for his eight years of service as department head,” Akridge said. “Bob has been a passionate and effective leader and advocate for the Department of Horticulture and Landscape Architecture during his tenure.”

The department has about 25 faculty members, enrolls approximately 170 undergraduate majors and 27 graduate students, and has a strong research portfolio. Faculty and staff through Purdue Extension serve the state’s green, horticultural and specialty crops industries. The landscape architecture undergraduate program is ranked No. 3 in the nation by Design Intelligence magazine.

E-mail: info@mitrees.com

Indiana nursery & Landscape association • www.inla1.org

Vine & Branch, Inc. of Carmel, Indiana, recently awarded the Excellence in Urban Forestry Award. This award is given annually to the Purdue Forestry and Natural Resource student who expresses their ability to apply classroom theory to real-world situations.

This year the award was judged based on the ability of the student to write a tree preservation plan, complete with an appraisal of value, for trees on a construction site.

The 2014 Award went to Amanda Wenger from Shipshewana, Indiana.

Second place went to Lindsay Kolich from Clarkston, Michigan

Your best work starts here. v

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• Rated Operating Capacity 1221 kg (2,690 lb.)

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Indiana Nursery & Landscape News • July/August 2014

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INLA News

A First for Indiana and an INLA-Sponsored Program Mary Breidenbach, Indiana Nursery & Landscape News On April 12, the Indiana Nursery & Landscape Association (INLA) administered the Landscape Industry Certified test for the second year to high school students, and when it was all done, Cody Giordano from Central Nine Career Center (C9) became Indiana’s first internationally certified high school student.

Awarded by the Professional Landcare Network (PLANET), the Landscape Industry Certification is a broad but powerful distinction that designates a person has achieved a level of skill and knowledge of best practices in the industry. While PLANET offers many different types of certification, Cody earned the Landscape Industry Certified Technician – Exterior for Softscape Installation (formally CLT-E).

This was the second year of certification testing under Indiana’s “Pathway to Certification” program, which allows students to earn their full industry certification after they meet a minimum of 1,000 hours of employment in the industry. In 2012, the Indiana Department of Education approved this certification program and made it available to all high school/ career center horticulture/landscape management programs across the state. INLA administers the test, which this year drew students from both Central Nine Career Center in Greenwood, Indiana, and the Prosser Career Education Center in New Albany, Indiana. “The opportunity to take the test and become certified assures the

students that they are prepared for the industry and also informs the industry that the students are motivated and qualified potential employees,” said Joe Ramey, landscape/horticulture instructor at C9.

Don’t think the student tests are less rigorous than what the industry takes.

Like the industry, the students must pass a general comprehension test, a core test, and a practical, hands-on problems test. “The certification tests the students using the same criteria as the one taken by industry professionals. In fact, it uses the same judges, too,” assured INLA executive director, Donna Sheets.

Because of the unique, hands-on projects that the Central Nine program offers, along with a spring internship with Brehob Nursery (Indianapolis), Cody has his 1,000 hours fulfilled as well. The Central Nine students’ work includes impressive project diversity. They install water features, build hardscape displays, grow crops in the school’s greenhouse, and install and maintain the school’s irrigation system. During the summer months, Joe Ramey hires several of them to maintain the school’s lawn and landscape.

“We are so proud of Cody achieving his certification. This reflects not only Cody’s hard work but the dedication of Mr. Ramey to develop a creative and relevant landscape/horticulture program for Central Nine students,” said Nicole Otte, Curriculum Director at Central Nine.

Joe Ramey, landscape/horticulture instructor at Central Nine Career Center, stands with Cody Giordano, Indiana’s first high school student to earn his Landscape Industry Certification.

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Indiana nursery & Landscape association • www.inla1.org

Another First But Cody’s achievement is a first in quite another way. You wouldn’t know it when you meet him but Cody is legally blind. That is, he has no vision from the center point to the right in either eye.

Born with very, rare conditions called, optic glioma and optic chasmatic glioma, Cody has learned how to navigate the world through creative solutions and the help of supportive family and friends. “I don’t need a lot of help to get through school, but I do need some accommodations,” explained Cody. “Mostly I need instructors to read aloud what they wrote on the board or provide their lectures digitally so that I can read it on my computer using special software. Unlike other schools, Central Nine has been great about helping me without making it a big deal.”

So how did Cody get through the certification tests? First, the written tests were read to him and he gave his answers orally.

To pass the hands-on test Cody came up with some creative solutions. He used a special high-visibility ruler for measuring and a magnifying glass for reading in the field. And instead of using a bow rake, he got on his knees to spread the mulch and feel its depth. But the most challenging to Cody was setting the irrigation heads.

While he can perceive a heavy stream of water, the mist that comes out of the irrigation heads was too fine for Cody to see.

So in order to discover where the low-flow spray heads were going, he stood between the flags and let the water hit his face. He then proceeded to set the heads using this method.

Talk about determination! When asked what kept him motivated to pass the certification exam, Cody replied, “Actually, I wasn’t sure I wanted to try to pass the test again, but my parents and Mr. Ramey kept encouraging me to try one more time.

They really believed in me.”

Cody graduated this May and plans to attend a college in central Indiana in the fall to obtain a Bachelor’s degree in business. For sure, Cody is a man of firsts, and it feels like his earning the Landscape Industry Certification is just the first of many great things to come.

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INLA News

Educator Profile: Michael Johnson Mike is the area Horticulture teacher for the Horticulture Science and Landscape Management program at Prosser Career Education Center in New Albany, which serves seven southern Indiana counties.

What is the scope of your position?

Being a one-teacher shop, I teach seven to eight horticulture classes, maintain five active greenhouses, and am responsible for all contacts between the horticulture program and the general public. I also sponsor the local FFA chapter and am very proud to have had 36 state champions, 18 national finalist, and the Star Agribusiness finalist during my tenure of 40 years of teaching.

What led you to your current position?

I was recruited by my present employer 28 years ago to move from Pleasure Ridge Park Vocational School in Louisville, Kentucky, with the primary goal of expanding Prosser’s horticulture facility and involvement with the FFA. I am proud to say this has been done.

What have been some of the challenges you have overcome or are working to overcome?

The challenges have been many. The main challenge has been getting the general idea that horticulture and landscape management is “just grass cutting and there is no money to be made,” which has led school officials to not support agriculture within our school corporation. I am proud to say that I have always had industry support from Walnut Ridge, Grantline Garden Center, and many others, as well as companies across the river in Louisville.

The only funding issue for our program has been my salary. The plant production from the five greenhouses have paid for building repairs and all student expenses during my tenure here at Prosser.

My former students work or own many operations in Southern Indiana and Kentucky. I have former students who work with the San Francisco Giants organization, the PGA, and many of the local golf courses in our area. The largest challenge is getting educators (counselors and school officials) to look at the green industry as offering viable options to a college degree.

What has helped you progress in your position?

Networking has to be one of the biggest influences on anyone who goes into our industry. No one can do it alone. I have degrees in agriculture from Lindsey Wilson College, horticulture degree from Eastern Kentucky University, Master’s in Education from the University of Kentucky, and four school administration degrees from Western Kentucky University. None of those degrees prepared me like networking within our industry.

Through my association with Joe Ramey, Central Nine, and Donna Sheets, I earned PLANET Landscape Industry Certificiation in the fall of 2013. From my first day of teaching in 1974, to the present I look

12

Indiana nursery & Landscape association • www.inla1.org

forward to discussions with Green Industry folks for they have have made my occupation and career enjoyable.

Do you have a pet Green Industry issue that you like to see progress or are excited about?

I guess my pet issue is that anyone with a shovel and mower becomes a horticulture/green expert. What is the answer?

I really do not know. Maybe, legislation?

Licensing? Certifications? Something has to be done for our industry to get the attention of the general educators and public that it’s not just mowing grass, but a career industry that keeps our state and country beautiful. Do I want more government involvement? No. But something has to be done or the family green businesses will have a hard time passing their company down to the next generation of nurserymen, landscapers, florists, and even educators going into our profession.

What sustains your interest in and out of work?

Our industry has been my life work (and hobby) for 40+ years. My family has known for years that there would be no spring break, vacation, or long weekends away due to the requirements of running a school horticulture program. As I near my own retirement, my family and the green industry family have made my life. I have watched young people step forward and enjoy going to work every day. I hope that when I move on that I made a difference in my family, industry, student lives, and the general public that I have had contact with.

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Jud Scott, Vine & Branch, Inc.

The Endicott Pear There lives a tree in Danvers, Massachusetts, with quite a story to tell. As a seed in 1630, memory brings back a long voyage across a wet and salty sea, tossing and turning in the ship’s hold, thinking never to see the light of day again. Upon arrival to the new world and planted in very fertile soil, the tree was proud to be one of the first cultivated ornamental fruit trees in the New World. As roots stretched and fruiting began, stories were heard of wild Native Americans prowling in the vicinity, witches conjuring up spells, and the rumblings of a revolution. Wondering what kind of new world this was, fruit was put forth and life seemed good on the 300-acre Orchard Farm.

Growth was steady: wild Native Americans and witches disappeared and a new flag was welcomed, with its stars and stripes. Pummeled to the ground by raging weather, the tree withstood hurricanes in 1804, 1815, and 1843. Then in the 1860s there were more rumblings of yet another revolution, this one with brother fighting brother.

Longfellow noted the strength of the tree when he said, “I suppose the tree makes new wood every year, so that some parts of it are always young. Perhaps this is the way with some men when they An 1832 map indicating location of the pear tree, which grow old. I hope it is so with me.”

Many a tempest had come and was at that time 200 years old. Photo credit: Danvers Archival Center, Danvers, Massachusetts. gone, and the 300-acre Orchard Farm fallen away, when what should have been the final blow came. A saw-wielding vandal attacked the tree savagely hacking off all of its limbs.

Yet, as if in defiance, once again new wood sprang forth, and today Endicott’s Pear stands as a testament to strong roots and the determination of a tree.

The Endicott Pear Tree in October 2013. Photo credit: Danvers Archival Center, Danvers, Massachusetts.

About the Author Jud Scott is a lover of trees and history and has earned the designation of Registered Consulting Arborist #392 (RCA) with the American Society of Consulting Arborists.

As an RCA, Jud advises attorneys, landscape companies, park departments, developers, architects, and insurance companies, as well as homeowners, concerning their trees and landscapes. Jud can be reached at Vine & Branch Inc., Treeconsultant@aol.com or at 317-846-1935. www.vineandbranch.net

Indiana nursery & Landscape association • www.inla1.org

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15

3/20/14 3:21 PM

INLA News / IDNR

Stump the Nursery Inspector!

Kenneth W. Cote, Indiana Departnent of Natural Resources, Division of Entomology and Plant Pathology Integrated pest management guidelines teach us to learn our key plants and their key pests, as plants are susceptible to a specific set of insects and diseases.

However, Mother Nature likes to throw all of us a curve once in a while and every year I run into problems that I cannot easily diagnose. Typically these instances require laboratory diagnosis by a specialist, or in some cases rearing out insects to adult stage for proper identification.

The great thing about my job is that any day can create a learning experience.

The following were a few of mine.

During an inspection at a nursery dealer I came upon blue hollies that were infested by a soft scale with white and black markings. The scale looked similar to Indian Wax Scale, Ceroplastes ceriferus, which often infests Burford holly, but the scale was still different enough that I was not sure what it was.

I do not often encounter scale problems on blue hollies in southern Indiana.

However, these plants were shipped to the dealer from a southern state. Samples were submitted to Purdue University and the scale was identified as the fig wax scale, Ceroplastes rusci. (See image below.) This was the one and only time I have seen this scale.

Immature Fig Wax Scales on Blue Holly

Note: Calico scale, Eulecanium cerasorum, can look somewhat similar in appearance at a quick glance, but are often more rounded and do not have wax protrusions sticking up from the body.

Several years ago, I was sent to investigate a shipment of hemlock from the eastern United States for hemlock woolly 16

adelgid (HWA). When I arrived I was glad to see that it was not HWA, but did confirm the presence of elongate hemlock scale (EHS), Fiorina externa. (See image below.)

Elongate Hemlock Scale (EHS), Males White, Females Gray

EHS is very common in the eastern United States, is often a secondary pest accompanying HWA, and has a white appearance similar to HWA. However, it differs by having less flocculent material and it feeds on the needles itself and not at the base of the needle like HWA. EHS can be a serious pest on hemlocks, especially on older, stressed trees. To date I have not seen EHS during routine nursery inspections or in older landscape plantings in Indiana.

Note: If you see white, woolly material on hemlock, please contact your nursery inspector or the Division of Entomology and Plant Pathology immediately. This may be HWA. Leaf spot diseases are very difficult to identify in the field. A leaf spot is an expression of the plant responding to a pathogen, a nutrient deficiency, or in some cases environmental conditions.

Plants are often repeatedly infected by

Indiana nursery & Landscape association • www.inla1.org

the same leaf spot pathogen year after year.

For example, you can almost always count on red twig dogwoods to get Septoria leaf spot in late summer. However, you cannot truly field identify a leaf spot.

Last year I found a large amount of leaf spot diseases. During one inspection, I encountered what appeared to be a rust infection on a seed-origin buckeye tree.

This was an exciting first encounter of rust on a buckeye. I submitted samples to Purdue University and it confirmed a rust disease, likely Puccinia andorpogonis.

The buckeye had a yellow flower and appeared to be a yellow buckeye by leaf shape. If the host was indeed Aesculus octandra, then this would be a new host for this species of rust.

Returning to verify my identification of the plant, I realized that I could not determine if it was Aesculus octandra or Aesculus glabra. I concluded that the plant was likely a hybrid between the two species.

“Well, burst my bubble!” It appeared that Mother Nature was not going to give me all the answers to this possible first occurrence. My assumption is the plant was infected by this rust fungus because it had Aesculus glabra parentage. My hopes of finding something new were destroyed by the inability to be completely sure about the identity of the host.

Knowing your key plants and key pests is very important when diagnosing plant problems. However, remember that nature does not always follow the rules.

Keep an open mind and gather all of the information you can about a particular site, and do not be afraid to ask for help.

About the Author Kenneth W. Cote is a Nursery Inspector and Compliance Officer with the Indiana DNR, Division of Entomology and Plant Pathology, Bloomington Field Office. Ken can be reached at: PO Box 29 Clear Creek, IN 47426.

Phone 812-322-7249.

Email: kcote@dnr.in.gov

Hardscaping

Feature Articles

17 Survey Finds Pleasure and Pain Spur Landscape Projects 18 Outdoor Rooms for Outdoor Living 20 Pervious, Permeable, and Porous Pavers — Are They Really the Same?

24 Tips for Proper Paver Maintenance

Photo courtesy: Belgard Hardscapes

Survey Finds Pleasure and Pain Spur Landscape Projects Creating entertaining space and fixing problems are equally important to homeowners when it comes to landscaping projects, according to the Spring Houzz Landscaping Survey of more than 4,500 Houzz users who are in the midst of, or are planning, a landscape update. Houzz, the world’s leading platform for home remodeling and design, found that 56 percent of homeowners are making updates to improve their yards for entertaining and 55 percent to solve issues including flooding (41 percent), sun exposure (25 percent), and privacy (23 percent).

With temperatures heating up, so is outdoor living. Backyards are turning into entertaining spaces (83 percent), outdoor eating spaces (73 percent), and outdoor living rooms (53 percent). To make this possible, homeowners are incorporating features like patios and decks (83 percent), BBQs (48 percent), fire pits (48 percent), sound systems (19 percent), and outdoor

kitchens (14 percent). For evening entertaining, seven in ten homeowners are installing lights to illuminate their hardscape.

The survey also found that a majority of homeowners are making eco-friendly choices for their yard, which not only benefit the environment but also save time, including: • Green lighting: Of the two thirds of homeowners who are updating the lighting in their yard (65 percent), a majority is going green with LED (58 percent), and solar powered lights (56 percent).

Homeowners in rural neighborhoods are most likely to choose solar powered lighting.

• Native plant choices: Overwhelmingly, homeowners are choosing plants that are native to their region (92 percent).

While many are motivated by benefiting the environment (49 percent), nearly seven in ten are looking to reduce maintenance (67 percent).

• Lawn alternatives: Traditional lawn remains popular, but is significantly less so in the West (69 percent) versus the Midwest (88 percent), East (87 percent), and South (86 percent).

Many homeowners are joining the local food movement with nearly two thirds planning to grow edibles in their yard (64 percent). Seven in ten are growing edibles for the first time. Herbs are most popular (73 percent), followed by vegetables (70 percent), and fruit trees (51 percent).

You can download the full Spring Houzz Landscaping Trends Study report at: http://info.houzz.com/rs/houzz/images/ HouzzLandscapingStudy.pdf.

The “Landscaping Survey” is an online survey of Houzz users conducted in March 2014. n=4,569

Indiana Nursery & Landscape News • July/August 2014

17

Outdoor Rooms for Outdoor Living Alan Drane, The Stone Center of Indiana

T

ake a journey back with me to the 1980s when I still had a mullet and my favorite band was A Flock of Seagulls. I was a landscaper. I knew my plants, both sunny and shady. I could build wood decks and stone patios and the occasional gazebo. My customers could count on me to keep the grass cut and the perennial beds mulched and weed free.

Outdoor amenities were a folding lawn chair, a picnic table, and a few tiki torches.

Some people had brick barbecues in their backyard that had been built by some DIYer in the 1950s but they never worked, so we would tear them down and plant grass seed. Life was good.

Now let’s fast forward to today.

Everybody has a tattoo, Lady Gaga is an international sensation, and I am a consultant on “Outdoor Living.” Guess what?

So are you. With the advent of Home and Garden Television, along with millions of marketing dollars being spent by major manufacturers to promote “Outdoor Living,” we really can’t afford to be anything else. Let’s discuss what that means.

18

“Outdoor Living” is a 72 billion dollar market in the United States that continues to grow. Industry surveys show that 8o percent of people polled think it is important to have an “outdoor living” space to relax and entertain in and 65 percent of new homes being built will invest in some sort of

Indiana nursery & Landscape association • www.inla1.org

“outdoor living” feature. We no longer build patios, we build outdoor rooms that create and define experiences. This is exciting stuff, but where do we start?

Well, like a landscaper, we start with the customer. What do we hope to achieve?

Are we building an entertainment space for

family and friends, a state of the art outdoor kitchen, or an intimate spot for a good book and a cup of coffee? Sometimes it’s all of the above. Once we establish our customers’ needs and we begin to form our ideas, then we can begin to lay out the room, or rooms they desire.

It is well established that shrubs and evergreens can make for great outdoor barriers, and garden walls and fences can also be used to break up space. On the ground, elevation changes and steps can introduce new areas of the garden, and changes in the paving materials can set the mood for a new experience. So what about the verticals?

What is a vertical, you ask? Well, that’s just cutting-edge industry jargon for amenities that you build within the space.

A fireplace is a vertical. A grill island is a vertical. A fountain is a vertical. Get it? Try out this terminology on your customers, they will be impressed. All kidding aside, these types of amenities are in demand, and they make great “walls” to define your outdoor room and its purpose.

First let’s consider the outdoor grill island. According to numbers provided by the industry, this is the most admired outdoor feature. It immediately tells you the purpose of the space, it can be as elaborate or as simple as you care to build it, and it can create a wall within your room that defines food preparation from dining space. Take it a step further with the addition of a pizza oven and you now have a second wall to enclose your kitchen area.

Next is the outdoor fireplace. If you want to promote togetherness and relaxation, nothing can convey that idea better than a fireplace. Wood or gas burning, fireplaces come in every style imaginable and can be customized to convey the personality of the homeowner like no other element. A fireplace can create an outdoor wall that establishes identity in a purposeful way and extends the use of the space to all year long. A two-sided see-through fireplace also works great as a divider between two rooms with very different purposes.

Finally, consider the outdoor water feature or fountain. As a vertical, it is typically the center of attention and commands the space that it occupies. The sound of flowing water has a stress-reducing quality

that appeals to everyone — and in today’s world, people can use all of that they can get.

Outdoor rooms. They begin with pavement and walls, they are furnished with the things that help to define their purpose, and they are sustained by the enjoyment of the people whouse them.

About the Author Alan Drane has been a part of the Indianapolis Landscape Industry for over 25 years. He is currently director of Landscape Sales at The Stone Center of Indiana, and is a motivational speaker to anyone who will listen. Alan may be reached at 317-223-1541 or by email at alan.drane@stonecenterofindiana.com.

Photos courtesy: Belgard Hardscapes

Indiana Nursery & Landscape News • July/August 2014

19

Pervious, Permeable, and Porous Pavers – Are They Really the Same?

Mark Walker, Kuert Concrete, Inc.

F

ar too often I find the three P’s (Pervious, Permeable, and Porous) pavers talked about amongst most professionals as though they are all the same and share the same characteristics. This I assure you is not true. These three words have been used interchangeably without regard to their unique characteristics, and for that reason, have somewhat confused the industry. For example, in geology is quartz rock the same as lava rock? Although they are both rocks, they are given different names based upon their characteristics. When we hear the name “Lava Rock” specified in a project, we know exactly what to look for.

Why, then, should a permeable paver be specified as a pervious paver when in fact there is nothing pervious about a concrete paver? Please follow along as I define the three P’s as they relate to the paver industry and their use for the purpose of stormwater management.

The goal for a particular paver when used for stormwater runoff control is to limit stormwater runoff at the source, reduce downstream erosion, and improve water quality by filtering pollutants in the substrata layers. In the case of both pervious and porous pavers, this is partially achieved within the paver prior to the water’s entrance into the layers below. With permeable pavers, water is circumvented around the paver and the filtering process begins between the pavers in the void space filled with select aggregates. All three pavers require a similar compacted stone aggregate

Courtesy of Pine Hall Brick Company, Inc.

layering process beneath the surface for the purpose of accepting the stormwater and creating a “reservoir” prior to the water percolating into the sub-grade or being piped off. This stormwater conveyance process is referenced by some paver manufacturers as the “paver system.”

While most rainfall events are less than 1 inch in depth, rainfall intensity must always be considered. 0.99˝ over 15 minutes could cause more issues than 3˝ over 8

About the Author Mark Walker (Mark@Kuert.com) is the director of business development for Kuert Concrete, the oldest central-batch mix operation in Indiana, established in 1927. In addition to this position, Mark serves as a consultant with a number of Great Lakes professional organizations, such as individual state chapters of the American Institute of Architects and the American Society of Landscape Architects, as well as floodplain and stormwater management associations. As an educator in handling certain stormwater, erosion control, sustainability, and urban infrastructure issues, Mark also leads Kuert Supply Centers’ hardscape division.

20

Indiana nursery & Landscape association • www.inla1.org

hours; therefore, variances for stormwater runoff management are primarily for high-frequency, low-occurrence events. In a large storm event, the water table below any of these three types of pavers can rise to a higher level, preventing the precipitation from being absorbed into the ground.

Modifications of the paver system are generally considered when determining the infiltration capacity of the sub-grade native soil, and the depth of base rock for stormwater storage. Additionally, bioswales, rain gardens, and underdrain systems are generally considered during the design stages.

Permeable Pavers Permeable pavers are comprised of a layer of concrete or fired clay brick pavers separated by joints filled with crushed aggregate. Permeable pavers are different from pervious and porous pavers, as (Pavers continues on page 22.)

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Indiana Nursery & Landscape News • July/August 2014

21

Pavers (continued from page 20) rainwater passes around the paver opposed to passing through the paver. “Permeable” is a term used to describe paving methods for roads, parking lots, and walkways that allow the movement of water and air around the paving material. Water enters the joints between the solid impervious pavers and flows through the paver system.

The aggregate between the joints provides infiltration as long as it is not plugged. A periodic maintenance program is necessary for the three P’s to guarantee lasting stormwater conveyance past the paver layer.

Permeable pavers (per square foot) offer the least amount of stormwater infiltration compared to porous and pervious pavers.

Because of this you would normally need to specify more pavers for a project.

Permeable pavers have an architectural appearance, and can bear both light and heavy traffic, particularly interlocking concrete pavers.

Porous Pavers Porous pavers are manufactured in a variety of designs and materials. Concrete turfblock for grass paving began in the mid-1940s and plastic versions were invented in the late 70s and early 80s.

Porous pavers are generally a cellular grid system filled with dirt, sand, or gravel.

This system provides grass reinforcement, ground stabilization, and gravel retention.

The grid structure reinforces infill and transfers vertical loads from the surface, distributing them over a wider area. Selection of the type of cellular grid depends on the surface material, traffic, and loads. The surface layer may be a compacted gravel or topsoil seeded with grass and fertilizer. In addition to load support, the cellular grid reduces compaction of the soil to maintain permeability, while the roots improve water infiltration due to their root channels.

Porous pavers, such as the reinforcement grids shown right, have also been utilized in agriculture. One example of this is illustrated using wood sawdust in the grid system.

Examples of Permeable Pavers

Courtesy of ReadingRock Building Materials and Services

Examples of Porous Pavers

Courtesy of ReadingRock Building Materials and Services and Invisible Structures, Inc.

Examples of Pervious Pavers

Courtesy of Xeripave Super Pervious Pavers 22

Indiana nursery & Landscape association • www.inla1.org

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Pervious Pavers Pervious pavers allow stormwater to percolate through the surface rather than runoff to surrounding areas or storm drains. As water runs through the pavers, it filters out gross urban pollutants. Like grass, it lets the ground below it breathe, and allows tree roots and their supporting microbes and fungus to interact.

Pervious pavers are not to be confused with homogenous binders mixed with back yard gravel or rubber compositions in a portable concrete mixer, and then poured on the ground. These pavers are manufactured from natural stone and bonded together within a controlled factory environment using the latest innovations in chemical non-voc polymers with UV inhibitors. These pavers feature the highest water infiltration rate, 10 times greater than pervious concrete and more than 90 times greater than permeable pavers. Typically only 12 to 18 percent of a project’s total surface area in pervious pavers is required for optimal project drainage and stormwater management. This applies to the stormwater conveyance system beneath the pavers as well. When impervious surfaces like standard concrete or asphalt cover most of a project area, stormwater can be directed from the Additional information impervious surfaces to the pervious pavers pertaining to the three P’s is providing a cost-effective solution. available from the author and fruit Pervious pavers are not affected by salt includes: or the sun’s harmful UV rays. They feature • Installation costs a runoff coefficient of “0” thus water naturally falls through the paver provided • Maintenance costs the paver has been properly maintained.

• Longevity Additionally, the pervious paver’s integrity • Freeze-thaw data is not affected by freezing events having a • Runoff co-efficient data void capacity of more than 35 percent. This claim cannot be said of its concrete coun• Life-cycle analysis terpart. Without periodic sealing, freezing • Base and sub-base events will spall the concrete thus rendering comparisons between each a flaking top layer and distorted appearsurface ance. It has also been noted that pervious • SRI data pavers are the last place for ice build-up • Design permeability and the first place for melt. For this reason, pervious pavers are an ideal choice for • Surface clogging data entranceways into public buildings.

• Traffic-bearing capacity Pervious pavers are currently code • Colors / textures enforced within a number of municipalities • Overflow capacities in the western part of our country such as Reno, Nevada. These pavers are utilized • Overflow designs as a storm drainage filtration system that • Temperature reduction improves the quality of stormwater by • Other comparisons with the capturing sediment, debris, and urban three P’s, including pervious clutter. In addition to working as a filtraconcrete and pervious asphalt. tion device, it contributes to aiding vector control solutions by helping in the prevention of viruses like West Nile. Installed in stormwater catch basins, it reduces the amount of mosquitoes by eliminating access to standing, stagnant water normally stored beneath the road surface.

In summary, there is an obvious and distinct difference between pervious, permeable, and porous pavers. Each paver possesses certain physical, as well as aesthetic, qualities that need to be considered prior to project design and installation. Careful consideration of site characteristics and project objectives will enable the owner to minimize stormwater runoff and maximize the water quality benefits that these products provide.

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23

Tips to Proper Paver Maintenance Patty Vaughan, TotalLandscapeCare.com This article originally ran on Total Landscape Care’s site, totallandscapecare.com.

P

“Deicers can, however, cause efflorescence, which is the white scum on the surface of the pavers caused by the salt drying on the surface of the pavers,” Steele says.

“It then has to be flushed off of the pavers with water in the spring or removed with a specialty efflorescence removing product.

It doesn’t affect the durability at all, but is unsightly.” Deicers made from magnesium chloride do not affect the efflorescence but can be harmful to cement.

Because pavers do chip, Steele recommends using a rubber-tipped shovel or plow if removing snow to help reduce the possibility of chipping the edges of the pavers that are not flush.

avers can be an integral part of many landscapes. Whether incorporated into the floor, countertops or firepit, pavers serve a large purpose in the landscape industry, so it’s important to keep them healthy.

Solid Foundation Like many projects, creating a solid foundation is the key to creating a long life for pavers. “Proper installation can ensure your patios will remain durable for a long time,” says Ken O’Neill, Senior Vice President of sales and marketing, Belgard Hardscapes.

Installers should consider the surface requirements such as avoid laying concrete pavers over an existing concrete surface.

When placing pavers, drainage and spacing should be taken into consideration.

Because pavers are part of a flexible pavement system, they will perform better with a proper base of aggregates placed and compacted per a design, O’Neill says.

A solid foundation is so crucial that the amount of maintenance could be significantly reduced because of it, says Walt Steele, Paver Business Manager, Pine Hall Brick.

“I have found that the biggest key to a great paver project is paying attention to detail and installing the pavers according to Brick Industry Association (BIA) and Interlocking Concrete Pavement Institute (ICPI) specifications initially, as a lot of maintenance tends to revolve around trying to fix installation issues and not with the pavers themselves,” Steele says.

A successful, long-lasting project can come from proper edge restraints, allowing adequate space between the pavers for joint sand and completely filling the joints with appropriate coarse sand, Steele adds.

Weathering the Weather Most pavers can hold up against even the toughest weather conditions, but landscapers need to be aware that certain preventative measures can damage pavers.

24

For concrete pavers, look for products that include colorfastness, weather resistance, and durability. Belgard Hardscapes uses Colorguard technology that disperses colors throughout the paver to resist UV rays, maintain color, and hold up to weather extremes.

However, O’Neill says it’s important to be aware of the effects of deicing salts.

“While deicing salts can effectively eliminate slippery conditions, they also may adversely affect interlocking concrete pavers, often used in the landscape and walkways, by causing visual and structural damage,” O’Neill says. “Resistance to salts is related directly to a low absorption rate and a high compressive strength, and concrete pavers generally outperform solid concrete and asphalt in both areas.”

As for genuine clay pavers, Steele says they are completely unaffected by salt because they contain no cement. However, deicers also can have a negative visual affect on clay pavers if landscapers are not careful.

Indiana nursery & Landscape association • www.inla1.org

What to Avoid Although pavers appear to be indestructible, landscapers should not be fooled. Pavers can withstand a great deal of elements, but one false move and a paver could be chipped permanently.

To avoid breaks and cracks, Steele says clay pavers should never be installed without sand between the joints or without enough sand between the joints. “This will cause chipped edges and corners over time, and the sand is what prevents the pavers from moving and the edges of the pavers from contacting each other,” Steele says.

Also, landscapers should make homeowners and property owners aware that if the pavers are going to be pressure washed, the nozzle needs to be far enough away from the edges of the pavers or the joint sand could be removed.

Repair as Needed If a paver has been damaged, all is not lost.

For clay pavers, installers should immediately check to make sure the joints between the pavers are filled with sand and that the edge restraint is in good condition.

If the pavers have shifted, move them back so the lines are straight and repair the edge restraint.

For chipped pavers, flip them over

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and repair broken pavers, as well as reapply joint sand to the entire system.

“Check your joints with a small flatedge screwdriver,” Steele says. “You should not be able to push it down into the joints at all. If you can, then the joint isn’t filled completely with sand.”

As for concrete pavers, O’Neill says single pavers can be removed and replaced with a new paver. He adds landscapers should educate homeowners and property owners on what to do if a paver breaks or cracks.

Five Key Factors for Pavers 1. Stay educated. In addition to continuing education courses that offer the latest in installation techniques, you can learn much from the manufacturers with whom you partner about installation tips that help ensure paver performance and the maintenance needed to maintain their life.

2. Choose quality products. Choose products that are high quality and have a warranty to back up the claims; your reputation with your customers will be impacted by the durability of the products you install for them.

3. Seal its beauty. Sealers are the perfect finishing touch to ensure that outdoor spaces look beautiful season after season and that you’ll have fewer return calls for repairs to recent projects. Periodically wash or sweep the surface to remove any collected dirt or food stains using a detergent such as dishwashing soap or cleaners designed for use on concrete pavers.

4. Continual care. Advise your customers that in the event of winter weather, they should not over-apply salt; once inclement weather passes, remind them to wash off the pavers since the salt can continue to cause degradation even after the ice or snow has melted.

5. Rapid replacement. Should a paver become chipped or cracked, work with the manufacturer to have it replaced to ensure your customers’ outdoor spaces remain safe and beautiful.

Five Key Factors for Clay Pavers 1. The most import maintenance tip is install it correctly the first time.

90 percent of maintenance is fixing problems caused by a poor installation.

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2. Maintain full sand joints. If you notice that your sand joints are not completely full, sweep some more sand into the joints.

3. You don’t need to stain or seal your clay pavers. It is an added expense that can only make clay pavers look worse.

4. Moss grows in wet areas that do not get any sunlight. You have to change one of the two to completely fix the issue.

5. Use a coarse angular hard sand in the joints of the pavers. The easier the sand goes into the joints, the easier it will come out. The biggest problems are caused by lack of joint sand.

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Indiana Nursery & Landscape News • July/August 2014

25

George Brenn’s IAH Study Guide George Brenn, Four Seasons Landscaping Nursery, created this study guide to help teach the material covered in the IAH Manual.

His intention was to assist those trying to master the subjects within the manual.

Text: © George Brenn

Chapter 6 — Installing and Maintaining Landscape Plants (continued) PRUNING – Pruning is NOT difficult IF you understand why, when & how to prune, and if you consider and understand how plants respond to pruning.

WHY prune? Here are the 7 primary reasons to prune….

Maintain or reduce plant size Remove errant or undesirable growth Remove dead, broken or diseased branches Stimulate flowering and fruiting WHY prune? (cont’d) Rejuvenate & restore older plants to vigorous new growth Prevent damage to life & property Shape plants in unusual forms

Some MYTHS about pruning: Pruning at the wrong time will cause the plant to die False Topping shade trees will keep trees from causing damage False WHEN to prune – best time to prune is when the plant will recover fastest Flowering Trees & Shrubs – prune according to season of bloom Spring Flowering = flowers produced on OLD wood: PRUNE AFTER FLOWERING (see pg 18) Summer Flowering = flowers produced on NEW wood; PRUNE BEFORE NEW GROWTH BEGINS, meaning prune in late winter or early spring, to maximize new growth (see pg 19) Some plants can be pruned both pre and post bloom.

Conifers – good to prune as branches gain length, but before new growth “hardens.”

Many conifers will not develop new shoots from older wood, so avoid cutting back beyond portions having living foliage (Yews will sprout new shoots from older branches) BLEEDERS – plants having exceptionally heavy sap flow in early spring; Maples, Birch, Dogwoods, Elm. These should not be pruned until in full leaf (after mid May).

WHEN NOT TO PRUNE: August 15 through November 1; WHY???

GeoNotes: 1.) Hedge shears (of any type) are used to clip new growth into formal shapes. These tools are NOT useful for any pruning which is intended to maintain a plant’s natural appearance.

2.) When pruning with hand pruners (e.g. Felco #2), the blade side of the pruner is placed next to the part of the plant NOT being removed and the “hook” side of the pruner makes contact with the portion being removed 3.) Plants respond predictably to pruning by initiating new vegetative growth from buds located closest to pruning cut 4.) An person experienced in pruning thinks about how to make less cuts since every cut results in multiple regrowth

HOW – Pruning Techniques Heading Back = cutting off branch tips; proper cut is angled & about ¼” above a bud or branch.

Heading back makes MANY cuts. Hedge Shears provide maximum heading back.

Pinching = heading back of soft shoots without shears Thinning = removal of branches by cutting at outer edge of branch collar (area where branch & stem (trunk) join); contains specialized cells that will “callous over” wound & seal it; Thinning makes LESS cuts, thus creating less volume of new vegetative growth.

Deadheading - removal of spent flowers (important for Rhododendrons) Conifer Pruning – Where’s the Buds?? Observe difference in bud arrangement for Pine & Spruce Some conifers grow in flushes (Yews) and have semi-determinate growth Pines grow only once per year and are said to have determinate growth Other trees grow throughout summer and are said to be indeterminate (Birch, Maple) Best to prune tree conifers by heading back new shoots, which results in additional bud formation.

Remove approx ½ of newly expanding candle (new shoot growth on each branch.

Christmas tree growers shear trees each June to increase bud count and density. In landscape situations, prune only every 2–3 years Best to prune evergreen shrubs with a combination of Heading Back and Thinning to maintain a less formal, more feathery appearance.

Avoid pruning evergreens when wood is frozen as branch tip damage will occur.

26

Indiana nursery & Landscape association • www.inla1.org

Toolbox Talks

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Power Mower Safety

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A power lawn mower can be dangerous and cause serious injuries.

A rotary mower blade whirls at 2,000 or 4,000 revolutions per minute, or at 100 to 200 miles per hour. For safety reasons, it is important to know how to quickly disengage the clutch and stop the engine.

To operate a power lawn mower, follow these tips: - Begin by reading the operater’s manual.

- Before mowing remove debris from lawn.

- Wear protective, close fitting clothing.

- Start mower from a firm stance with feet in a safe position.

- Take self-propelled mowers out of gear before starting.

- Keep both feet on the footrests of a riding mower.

- Keep all guards and safety shields in place.

- Never fill the gasoline tank on the mower if the engine is hot.

- Store gasoline in an approved, properly labeled container.

- Turn off the motor before dismounting or removing a foreign object - Disconnect the spark or electric plug before repairing mower.

- Never use an electric mower on wet grass.

- Provide routine maintenance.

- No extra riders on self-propelled mowers

Brehob Nursery..................................... outside back cover C.M. Hobbs Nursery....................................................... 11 Calvin Landscapes.......................................................... 27 Everris............................................................................ 15 Fairview Evergreen Nursery............................................ 25 Indiana Irrigation Co...................................................... 14 MacAllister Machinery Co., Inc......................................... 3 Millcreek Gardens, LLC................................................... 14 Motz & Sons Nursery, Inc............................................... 25 Netafim.......................................................................... 11 Reynolds Farm Equipment................................................ 9 Shooting for Scholarships........................ inside front cover Tiffany Lawn & Garden Supply.................inside back cover Twixwood Nursery......................................................... 12 Wahmhoff Farms.............................................................. 8 Woody Warehouse Nursery, Inc........................................ 4

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Be aware of mowing hazards: - A mower can tip over easily.

- Push the mower away from the body during a fall.

- Never leave a running mower unattended.

- Take rest periods as needed.

- Foreign objects can fly from the mower, so make sure the mowing area is clear of people and animals.

Proper mowing directions: - When mowing on a slope with a riding mower, you should mow down the slope.

- When mowing on a slope with a push mower, you should mow across the slope.

Proper dress for mowing: - Sturdy shoes.

- Long pants and long sleeve shirts.

- Safety glasses or goggles when mowing near solid objects.

Indiana Nursery & Landscape News • July/August 2014

27

IAH Quiz The Indiana Accredited Horticulturist Committee is pleased to provide you an opportunity to earn CEUs (continuing education units) in each issue of the Indiana Nursery and Landscape News.

The IAH quiz offered in each issue can be completed by anyone who is an “Active” (current) IAH (initial or masters).

Each quiz will be worth a .5 (onehalf) CEU (continuing education unit) for the completion of the bi-monthly quiz with a pass rate of 80%. Over a 2-year period, you could earn up to 6 CEUs if you take and pass every quiz!

The INLA office will grade the quiz.

Questions and answers have been provided by the IAH committee.

Thank you and good luck studying!

The Indiana Accredited Horticulturist Committee Chair - George Brenn, Four Seasons Landscaping Nursery Committee Members - Brian Bunge, LaPorte County Nursery - Wayne Gruber, Gardens on the Prairie - Jim Messmer - Melissa Mravec, Allen Landscape - Jodie Overmyer, Price Nurseries - Dean Ricci, Ricci Landscape Management

Answers: Please contact the INLA office if you would like to receive the answers or find out your results to any previous IAH quiz.

IAH Quiz: July 2014

Due: August 15, 2014

Complete the quiz and mail or fax to INLA by the deadline above. Be sure to write your name, IAH number, and contact information on the bottom of the quiz when submitting. If additional space is needed, please attach the extra paper to this form and submit together. CIrcle your answers.

1) Surface structures (terraces, decks) in the landscape are intended to make a particular activity area more usable and may even function as a focal point of your landscape design.

A True B False 2) The four essential steps described in IAH Chapter 11 for the selection of plant material in landscape design include: A listing the environmental conditions under which the plant must live B determining the functions that the plants will serve C determining the size, habit and seasonal characteristics of any desired plants D all of the above E A and B only 3) Which of the following impacts a landscape designer’s selection of plants?

A Hardiness zone B sun, shade and moisture C time of year planting will occur D all of the above E A and B only 4) Plant selection, proper plant spacing, and the appropriate selection of landscape structures and materials have little, if any impact on the maintenance of the site.

A True B False 5) The information (based on design program and site analysis) laid out in functional bubble diagrams assists the landscape designer in refining preliminary design studies by: A helping the designer visualize the location of activities B helping the designer evaluate optional locations for activities in relation to existing site conditions C helping the designer determine (in general terms) the amount of space needed for each activity D helping the designer to determine conflicts that may arise by having incompatible activities next to each other E all of the above

6) The most frequently used scales for designing residential landscape projects are 1” = 10’-0” and 1/8” = 1’-0”.

A True B False 7) Which of the following describe the ways plants might function in a landscape?

A architecturally B climatically (influencing climate) C aesthetically D all of the above E A and C only 8) The purpose of a ____________ is to familiarize the designer with the opportunities and constraints existing on a site.

A site inventory B site analysis C conceptual design D master plan E none of the above 9) Three possible themes to consider when developing concepts for your landscape design are rectilinear, curvilinear and arc and tangent.

A True B False 10) The purpose of a ____________ is to obtain basic information about the quality of the site (existing conditions).

A base map B bubble diagram C conceptual design D master plan E none of the above

Name:____________________________________________________________________________ IAH No.:__________________________________________________________________________ Phone:____________________________________________________________________________ Email:____________________________________________________________________________ Fax: 317-889-3935 or Mail: INLA, 7915 S. Emerson Ave., #247, Indianapolis, IN 46237

28

Indiana nursery & Landscape association • www.inla1.org

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