California Landscape Design Spring 2023

CaliforniaLandscapeDesign

Trees&Storms

“Designingtoday’sgardensfortomorrow’sCalifornia”

ThePresident’sMessage

by APLDCAPresident-MartinG.CarrionvanRijn

Greetings,

Theseasonisuponus,andaslandscapedesigners,wearemovingaroundlikebees,workingon projectswithclientsnonstop.ThetopicofthisnewsletterisTrees.Theoriginalsubjectwasmodified, aswefoundthatallthestormsweexperienceddamagedthetreesinourlandscapes.Wewillresume ourelementalseriesinthenextissue.

Inthispresident’smessage,Iwanttohighlighttheeffortsbeingmadebyourboardmembersatthe chapteranddistrictlevels.AllthegreateventsandinnerworkingsofAPLDCaliforniaandtheCA districtarethoroughlythoughtoutandplannedbyAPLDvolunteerswithourAPLDcolleaguesin mind.Muchworkgoesonbehindthescenes,whichisnotusuallyvisibletomembers.Iwantto expressmygratitudeandacknowledgeallthosecolleaguesandtheireffortsfortheir thoughtfulness,leadership,anddedication.

Atthechapterlevel,therearemanythingsthatweareworkingon.Tobeginwith,alotofeffortgoes intothepublicationofthisnewsletter.Alwaysworkingonfindingcurrenttopicsofinterestinour industryandexploringprinciplesandmethodsthatcanimprovethepracticeoflandscapedesign.

OurSponsorshipdrivehascometoacloseforthisyear,enablingustofollowupontheseveral projectswehaveplannedtoserveourmembershipthisyear.Advocacyisworkingdiligentlyon severalaspects,likefollowingbillsandeducationalprograms.Pleasekeepaneyeoutforthe updateswithinthisNewsletter.

TherearesomeveryinterestingandimportantthingsgoingoninAdvocacy.Themembership committeeisalsoworkingonacoupleofprojects,aimingtoenhance.memberbenefitsandentice newmemberstojoin.WearealsoworkingonmakingAPLDCAmorevisiblethroughsocialmediaby hiringanexperttohelpusreachouttoalargeraudience,expandingtheAPLDbrand,andhighlighting whoweare,whatweareabout,andwhatourmemberspracticeanddo.

IencourageyouoncemoretostayconnectedandwatchforallthegreatprogramsyourAPLD CAchapteranddistrictboardsareputtingtogetherforyourprofessionalgrowthandbenefit.

EnjoytheNewsletter,Sincerely, MartinG.CarrionvanRijn

APLD2023

CaliforniaChapterBoardofDirectors

President MartinCarrionVanRijn

ImmediatePastPresident FrancescaCorra,CPLD

Secretary MarciaScott, Treasurer TinaRoushall

AdvocacyChair CherylBuckwalter, CommunicationsChair LauraKukulski

MembershipChair DebbieSeracini, SponsorshipChair JulieMolinare

DistrictCouncilRepresentatives

BayAreaDistrictRep GünÜnsal

GreaterLADistrictReps

JulieMolinare & LeesaMartling

SacramentoDistrictRep SoleilTranquilli, SanDiegoDistrictRep JoelBerlin,CPLD

PhotobyMartinCarrion

THEADVOCACYCORNER

by CherylBuckwalter, AdvocacyChair

IntroducedLegislation

AB1573Waterconservation:landscapedesign: modelordinance.(2023-2024)

AssemblymemberFriedman

BillSponsoredbytheCaliforniaNativePlant Society

Thisarticleincludesexcerptsfrom:

� TheMarch23,2023,amendedbill.

� APLDCA’sproposedamendments.

� AmendmentsasofMay9,2023.

AB1573wouldapplytoallneworrehabilitated nonresidentialareas.

March23,2023,amendedbill:

� Thisbillwouldrevisethelegislativefindingsand declarationstostatethatthemodelordinancefurthers thestate’sgoaltoconservebiodiversityandprovidefor climateresilienceconsistentwithstatedroughteffortsto eliminatetheuseofirrigationofnonfunctionalturf.

� Requiretheupdatedmodelordinancetoincludethese provisions:

OPlantsincludedinalandscapedesignplanbe selectedbasedontheiradaptabilitytoclimatic, geological,andtopographicalconditionsoftheproject site,asspecified.

OAllneworrenovatednonresidentialareasinstall plantsthatmeetspecifiedcriteria,andprohibitthe inclusionof nonfunctionalturfafterJanuary1,2026.

OIncludeexemptionsrelativetoecologicalrestoration projectsandmined-landreclamationprojectsthatdonot requirepermanentirrigation,existingplantcollectionsas partofbotanicalgardensandarboretumsopentothe public,andcemeteries(exemptfrompartsofthe ordinance).

ORequirethatallneworrenovatednonresidentialareas installplantsintheplantareathat,takentogether,have anaverageWUCOLSplantfactorof0.3,andrequire thatnotlessthan75percent(75%)ofthoseplantsbe localnativeplants,excludingediblesandareasusing recycledwater.

APLDCAChapter’sPosition

WhilewesupportAB1573inprinciple,ourpositionisto opposeAB1573unlessamended.APLDCalifornia advocatesforlandscapesthatincreasebiodiversity, improveclimateresiliency,savewater,increasetheuse Californianativeplants,andincludenativeplantsinfireresilientlandscaping.

Thefollowingareprioritiesandproposedamendments byAPLDCA:

� Includeprovisionsthatrequiretheuseofnativeand non-nativeplantsinlandscapedesigns.

� Eliminatetheword“local”orbetterdefineit,andreduce thepercentageoftheCalifornianativeplantsthatwould berequiredtobelocal,enablingtheuseofselections, cultivars,andhybrids,fromplantcommunitiesinother partsofthestatethatareequallyappropriate.As importantasitistosupportlocalfloral,localnativesmay notalwaysbethebestchoiceforanumberofreasons.

� UtilizetheCaliforniaNativePlantSociety(CNPS) Calscapedatabase,orcomparablescience-based source,tosearchforandselectnativeplants,ratherthan havingtheUCBerkelyJepsoneFloradatabaseasthe solesource.

� Californianativeshavedifferentrequirementsthan plantmaterialwidelyusedbytheindustrytoday.Ata minimum,MWELOwouldneedtoberevisedrelativeto compost,irrigation,andmaintenance.Looktoscienceandresearch-baseddataandindustryexpertsfor recommendations.

� Convenestakeholderworkgroup(s)todeterminea phased-approachandtimelineofeffectivedatesto implementnewandrehabilitatedlandscapeprojects. Theobjectiveistoincreasetheamountoflandscaped areaplantedwithnativeandnon-nativelowwater-use plants,butnottotallyeliminateotherWUCOLSplant water-usefactors.

� Includeprovisionsforworkforceeducation, information,andresourcesforthedesign,installation, maintenance,andmanagementofwaterefficient, biodiverse,andclimateresilientlandscapeswithnative andnon-nativeplants.

� Areaswherenonfunctionalturfwasremoved, encouragereplantingwithnativeandnon-nativelow water-useplants.Discourageuseofsynthetic.

(Note:Weinitiallyincludedaprovisiontoprohibittheuse ofsyntheticturf;however,wewereinformedbythe author’sstaffthat,todate,thefailurerateofbillsthat includethisprohibitionishigh,sosyntheticturfwouldnot beincludedinthebill.Toatleastmakesomeprogressin thisregard,weincludedthatitsuseisdiscouraged.)

� Includehowtheprovisionsofthisbillwillbeenforced. AmendmentsasofMay9,2023,excerptsof amendmentssubmittedtotheCommitteeon AppropriationsbyAssemblymemberFriedman: (Amendmentsareinitalicizedtext.)

� Definitionsof“Communityspace”,“Functionalturf”,and “Recreationalusearea”wereadded.

� Localnativeplantsthatevolvedinandcanbefound naturallywithintheJepsonregion,wherethelandscape siteorprojectislocated,asdefinedandupdatedbythe UniversityofCaliforniaBerkeley JepsoneFlora,and foundintheCaliforniaNativePlantSociety’sCalscape database.

� Includeprovisionsfor propertyownersandmanagersto implementlandscapemaintenancepracticesthatfoster long-termlandscapewaterconservation.

� Prohibittheuseoftraditionaloverheadsprinklersonall newandrehabilitatedlandscapesandrequirethatnew andrehabilitatedlandscapesuseonlywaterefficient irrigationdevices.

� Requirethat,beginningJanuary1,2026,allnewor renovatednonresidentialareasinstallnotlessthan25 percentlocalnativeplants,excludingediblesandareas usingrecycledwater.

� “…beginningJanuary1,2030,…installintheplant areanotlessthan50percentlocalnativeplants…”

� “…beginningJanuary1,2035,…installnotlessthan 75percentlocalnativeplants…”

O Note:Thetextto“Prohibittheinclusionof nonfunctionalturfinnonresidentiallandscapeprojects afterJanuary1,2026”,isunchanged.

Updateswillbeprovidedasavailable.

MASSIVETREEDAMAGEIN2023STORMS

bySoleilTranquilli,SacramentoDistrictPresident

AEstablishedneighborhoodssuchasthe“Fab40s” indowntownSacramentoarehometothearea’s oldestandlargesttreecanopies.Residentsof tree-linedstreetscontendwithFalldropsoflargeleavedspecies,suchastheLondonPlaneTreethatcan acclimateseveralfeetdeepthroughtheseason.Slow decompositionandsheervolumecreatepressing maintenanceissuesforresidents;landscapedesigners areoftendraftedfordesignsolutionstomanagethe leafmass.Understandably,clientsoftenbalkat suggestingaddingnewtreestotheirlandscapes, especiallyafterthemassivelydestructivestormsof Winter2022-23.

Somanynewgapsinthecanopymaybringtroubling effectsthatwillbecomepainfullyobviousin Sacramento’s100º+Fweek-longinfernos:Shadeloss, newlyexposedshadegardensinasummeraridclimate, increasedtempsfromreflectivehardsurfacesand habitatloss.Therearesomanystudiesaboutthevalue ofmatureneighborhoodtrees.Suchasthecanopy coolingeffect,treesreduceflooding,slowingtrafficon tree-linedstreets,andhelptoreducecrimeinareas wherecanopiesareinabundance.

What’sTrending

O Radicaltopping.

O Improperlimbpruningandtreeremovals;poor problem-solvingbyuneducatedhomeowners, landscapers,andclean-upcrews.

O Alarmingriseinperceived“nomaintenance” landscapessuchasartificialturfinstallationsandentire rock‘mulch’landscapes.

O Decisionstosealofflargeswathsofneighborhood soilwithhardscapeswillhavepotentiallydevastating consequences.

O Thelong-termhealthofexistingtrees,water percolation,citycooling,andincreasedlocalized floodingareallurbanandsuburbanproblemsthatwill becompoundedifwedon’tkeeplayeringtreesback intoourneighborhoods.

Howdowehandleaveryrealandrationalclient’sfear oftrees?Somanystories/visualsofoverheadtree damagehavecausedtraumaandfearoftrees.Notto mentionthepersistentfearofcostlyunderground rootdamagetofoundations,utilitypipes,sidewalks, andotherhardscapes.

Complaintsaboutthemessinessoftrees.Isitany wonderthathomeownerschooseanti-treescapes suchasrockmulches,pavers,concrete,andartificial turf?Thepoint.Howwillthisaffecthowwepractice landscapedesigngoingforward?Howcanwemakea difference?

Advocacy.Howdowehelpeducatepeopleabouttree value,properselection,placement,andcareand considerIntrinsicvalueasverticalwildlifehabitat?Can wepartnerwithlocalgroupssuchasSacramentoTree Foundationforclient-appropriateliterature, workshops,arborists,urbanforestryprograms,and more?

OpportunitiesintheChallenge

O LayerinsmallsizenativetreessuchasElderberry; Redbud.

O Smallertreesformorehumanscalenearseatareas andinhabitedspots.

O Smallertreesformoreresilientcanopylayering.

O Indesertregionsfast,growingChilopsisand Cercidiumsforquickeffect.

O Plantnewtreeswithbettereducationandplanning forpropermaintenance.

O Choosemoreclimate-appropriatetrees(Talamy: ChooseOaksoverMaplesforresilience)

O LayeringEdible/Medicinaltreeswhereappropriate, especiallyonasmallscale:Dwarfcitrus, Elderberry,Feijoa,Pomegranate,Mesquite

O Varyingspeciesinnewlayersforbiodiversity

Remembereachchoice,helppeoplefallinlovewith treesalloveragain,itisanancientrelationshipthat goesbacktoourdaysoffieldandforage.

byPlatinumSponsor Redwoods

Thatbeautifulredwoodpergola,deck,orfenceyoumightbeconsideringforaclient’slandscapedesign projectstartedintheforestsofnorthernCaliforniaalonganarrowstripofthePacificcoastline.TheRedwood regionencompassesapproximately2.2millionacresinamixofindustrialandnon-industrialtimberlands,parks, reserves,andconservationlands.Thetreesarewell-knownfortheirsize,somemaygrowastallas300feet,and otheruniquecharacteristics.

Redwoodtreesgettheirnamefromthedarkredcoloroftheirexteriorbarkandinteriorheartwood,bothof whichcontainnaturaltannins,notunlikethetanninsfoundinredwine.Thesetanninsimpartresistanceto termitesanddecay,makingredwoodsalong-livedtreespecies.Redwoodsmayliveforsome2,000years. Redwoodsarefurtheruniqueinthattheymaysproutintwodifferentways:fromseedorfromfelledordowned treeswheretherootstockisotherwiseintact.

Redwoodbarkisthickand resistsburning,protecting thewoodfiberandthetreeitself duringforestfires.

Asabuildingmaterial,redwood lumberandtimbers,particularly heartwoodgrades,offermanyof thesamecharacteristicsasthe treesthemselves,including beauty,strength,stability,natural durabilityandfireresistance.In fact,redwooddeckingandsiding complywithChapter7Aofthe CaliforniaBuildingCode,Materials andConstructionMethodsfor ExteriorWildfireExposure.

NativetoCalifornia,redwoodisan idealbuildingmaterialthroughout thestateduetoitslowcarbon footprint.Thisincontrastto tropicalhardwoodspecieswhich areharvestedthousandsofmiles away,contributingto disappearingrainforesthabitatin SouthAmericaandSoutheastAsia.

Additionally,muchofthe commerciallyavailableredwood lumberiscertifiedtothestandards oftheForestStewardship Council®(FSC®C013133),the moststringentmeasureof sustainableforestryintheworld.

Whetherplantingredwoodtrees orrecommendinganewredwood outdoorstructure,yourclientswill marvelatthebeautyofredwood andhowitseamlessly complementstheirnatural environment.

Learnmoreaboutthis PlatinumSponsor clickhere.

PhotosCourtesyofHumboldtSawmill

HowdidyoulearnaboutAPLD,andwhatledyoutojoin?

IheardaboutAPLDfromModestoJuniorCollege,whereI'mmajoring inEnvironmentalHorticultureScience.Idecided toparticipatebecauseitwillbenefitmeinthe longrun,especiallywhileItransfertoUC DavisnextyeartogetmyBachelor'sin LandscapeArchitecture.Iam delightedtobehere.

Whatdoyouhopetogain throughyourmembershipwith APLD?

Asastudentandpart-time landscapedesigner,Iwanttogain moreknowledgeinthelandscape designindustrytoenhancemy talentandgetmorevisionasI Learn.Iwouldalsoliketomeet professionallandscapedesignersor studentstohelpoutandsharemy skills.

Whatenvironmentallysustainable conceptsdoyouapplytoyourlandscape designpractice?

Apermeablehardscapeismoreeco-friendlythananimperviousone.A permeablesurfaceallowswatertosoakintothesoilunderneath. Insteadofrollingoffthesurfaceandcausingpollutedrunoff,much waterwillseepintotheground.Myfavoritesarepeagravel,riverrock, decomposedgranite,andpreviousconcrete.

Whatisyourfavoritelandscapedesignstyle,andwhy?

MyfavoritelandscapedesignisTuscan/Mediterranean,Woodland,and sometimesJapaneseGarden.IloveMediterraneandesignbecauseit hasiconicplantinglikelavender,rosemary,andItaliancypresswiththe warmcolorsofterracottaurns,naturalstone,andboldflowersthat standoutagainstthebrightsunshine.Growingyourherbsor vegetablessymbolizesTuscany'sconnectiontotheearth.Andanarbor orpergolaistheperfectstructuretositandobserveyourmasterpiece.

Doyouhaveafavoritelandscapedesignbookorwebsiteyou wouldliketoshare?

OneofmyfavoritelandscapedesignbooksisCaliforniaHome Landscaping,whichiswidespreadandmakestheCalifornianhome landscapemoreattractiveandfunctional.ThesecondoneistheNew SunsetWesternGardenBook9thEdition.Theycontinuetoserveme well,andIoftenreadthem.

GettingtoKnow NewMembers

StudentMember,Sacramento LindseyVasquez

IlearnedaboutAPLDthroughtheownerofthewebsitePlantMaster. Heexplainedhowwonderfulthisorganizationisfor connectingmanyupcomingdesigners.

Ihopetogainconnectionsthroughoutourdesignprofessional aswellasgoodmentors. Ithinkthiswouldbeafantasticwayto broadenmyhorizonintheindustry.

AcoupleofenvironmentallysustainableconceptsIapplytomydesignsare conservingwaterthroughgraywatersystemstoencouragetheuseof reclaimedwater. Also,usingdrought-tolerantplantmaterial.

Myfavoritelandscapedesignstyleistropicaldesign.Ithasasenseof calmnessandcreatesanoasisinthelandscape. Ilovethelushplantsandboldcolors.

Myfavoritedesignwebsitewouldbe

PietUdolfWebsite togetinspirationonhisplantingschemesandcolorpallets.

GettingtoKnow NewMembers

StudentMember,Sacramento LindseyVasquez

IlearnedaboutAPLDthroughtheownerofthewebsitePlantMaster. Heexplainedhowwonderfulthisorganizationisfor connectingmanyupcomingdesigners.

Ihopetogainconnectionsthroughoutourdesignprofessional aswellasgoodmentors.

Ithinkthiswouldbeafantasticwayto broadenmyhorizonintheindustry.

AcoupleofenvironmentallysustainableconceptsIapplytomydesignsare conservingwaterthroughgraywatersystemstoencouragetheuseof reclaimedwater. Also,usingdrought-tolerantplantmaterial.

Myfavoritelandscapedesignstyleistropicaldesign.Ithasasenseof calmnessandcreatesanoasisinthelandscape. Ilovethelushplantsandboldcolors.

Myfavoritedesignwebsitewouldbe PietUdolfWebsite togetinspirationonhisplantingschemesandcolorpallets.

NewMember,BayArea VarunGupta

HowdidyoulearnaboutAPLD,andwhatledyoutojoin?

IthinkIfirstlearnedaboutAPLDingradschool,studyinglandscape architecture.Ibelieveaprofessorofminementioneditwhileencouraging ustosignupforASLAstudentmemberships.NowthatIamaprofessional andambeingpaidtodowhatIlove,Ifigureit’sanappropriatetimetojoin anorganizationwhereIcanmeetfellowdesigners andfostermycareer.

Whatdoyouhopetogainthroughyour membershipwithAPLD?

Ihopetogainknowledgeandinspiration fromtheworksofothersinthisfield.I hopetogrowmynetworkandmake lastingprofessionalrelationships.And lastly,Ihopetobecomeamorecreative andmoreinfluentiallandscape designer.

Whatenvironmentallysustainable conceptsdoyouapplytoyour landscapedesignpractice?

Ilovethisquestion-stormwater managementandnativespecies!Every singledesignIcreatehasaninherentfocuson slowingandmanagingwateronsite.Also,my plantpalettesareheavilyinfluencedbyspecies nativetothebioregionwheretheprojectisbeingbuilt.

Whatisyourfavoritelandscapedesignstyleandwhy?

Hmmm,does‘naturalistic’landscapedesigncount,oristhattoovague?I prefermaterialslikestoneandwoodoverconcreteandmetal.Also,Iam notabigfanoftraditional,manicuredgardenstyles.

Doyouhaveafavoritelandscapedesignbookorwebsiteyouwould liketoshare?

LivingLand:TheGardensofBlasenLandscapeArchitecture

Ipurchasedthisbookatthe2021ASLAconferenceinNashvilleandfellin lovewiththephotosoftheirwork.ItinspiredmeenoughtoleaveDCand movetoSanFranciscothispastyear!

NewMember,EmergingProfessional,BayArea KateNowell

HowdidyoulearnaboutAPLDandwhatledyoutojoin?

IfirstlearnedaboutAPLDasaLandscapeArchitecture studentatMerrittCollege.KnowingthatmanyMerritt alumniareAPLDmembersandhearingfrom colleaguesthattheAPLD’sonlinegroupsarea valuableresource,Ibecameamember.

Whatdoyouhopetogainthroughyour membershipwithAPLD?

AsanAPLDmember,Ihopetotakepartin continuingeducationandpromotethe landscapedesignprofession.

Whatenvironmentallysustainable conceptsdoyouapplytoyourlandscape designpractice?

Ionlydesignwithplantsthatarewaterwise, usingMediterraneanclimate-appropriate materialandCAnatives.

Whatisyourfavoritelandscapedesign styleandwhy?

Myfavoritelandscapedesignstyleisthe Californialandscapestylethatweas designersaredevelopingrightnow.This designstyleisrigorouslyenvironmentally focusedandcreatesplacesoutdoorsthatreflect ourregionalcultural,geographic,and architecturalinfluences.

Doyouhaveafavoritelandscapedesignbookor websiteyouwouldliketoshare?

IfyouknowTheRuthBancroftGardenornot,don’t miss,TheBoldDryGarden–abeautifulbookaboutthe workofdrygardendesignpioneerRuthBancroft.

ReturningMember,AlliedProfessional,BayArea ChristineWiseman

HowdidyoulearnaboutAPLDandwhatledyoutojoin?

IhavebeenamemberandfoundIwasnottakingadvantageofitsbenefits.NowIfeelImayhavemoretimefor someofthemeetingsandpresentations,especiallynowthatalotisdonevirtually.

WhatdoyouhopetogainthroughyourmembershipwithAPLD? Iwouldliketocontinuelearningaboutnew trendsinthefield,networking,andbeingmorevisibletopotentialclients.

Whatenvironmentallysustainableconceptsdoyouapplytoyourlandscapedesignpractice? Weuse sustainablegardencarepractices,chemical-freeandcleanenergytools.OurdesignsareBayFriendly(in practicebutarenotcertifiedwiththeprogram),leaningtowardlowwateruseandencouraginghabitatforlocal wildlifeandsite-appropriateplantings.

Whatisyourfavoritelandscapedesignstyleandwhy?

Ilovemanystyles,butwhatseemstoattractmostofourclientsistheuseofmixedMediterraneanplantingswith relativelylowwaterandlowmaintenance.

Doyouhaveafavoritelandscapedesignbookorwebsiteyouwouldliketoshare?

IuseHouzz.comalotasatoolwithmyclients,lookingforinspiration,readingarticlesandlearningaboutcurrent trends.

TreesThatWithstandtheStorm Articleby,GoldSponsor

Californiahasrecentlyseenunpredictableandstormyweather, causingmajordamagetolandscapesandtheurbancanopy throughoutourstate.Whenwelookattreesthattendtofare betterinwinterstorms,therearesomecommon characteristicsthatcanindicateresilience:

-Broadbutshalloworfibrousrootsystemsanchorinto thesoilbetter.Notmanytreeshaveatruetaproot.

-Treeswithfinercanopiesorthatarewinterdeciduousexperienceareducedwindsaileffect.

-Aroundedordomedhabitallowswindstogo over,andnotthrough,thecanopy.

-Treesoflowerstaturearelesssusceptibleto heavywinds.Lowandbroadisanadvantage.

-Strongbranchconnections. -Aheavytrunk.

Keepinmind thatlocation/exposure,soil type,andpruningstyle/habitsalsoplayarole inatree’sresilience.Giventhat,herearea fewtreeswithlowerfailurepotential.

PlatanusracemosaisaCAnativewithagood networkofsmall,anchoringroots.Itis deciduousinwinter.

Quercusagrifoliakeepsthewindatbaywith itslow,rounded/domedcanopy.Ithasagood, broadrootsystem,especiallywhenplantedin anareawithoutrestrictions(i.e.,oneona hillsidewillarguablyhaveabetterrootsystem thanoneplantedalongasidewalk).

Schinusmollehasathinnercanopythatallows airtomovethrough.Itgrowslowandbroadand producesanincrediblyfibrousrootsystem.

Pistaciachinensishasafairlyfinerootsystemthat reaches3-5’down,furtherthanmost.Itisdeciduous andsmallerinstature.Evenwhenfullyfoliated,ithas afinecanopy.

Quercusvirginianahasanextensiveandfibrousroot systemabout2-3’deep.Windsgooveritsdomed,haystacklikeshape.

Althoughevergreen,thesetreesdogetalittlethinandcanbesemideciduousdependingonhowcoldorwindythewinteris.

Foundedin1981byDaleandLizDeppe,SpringMeadowNurserybeganwithanassortmentofaround25 deciduousshrubvarietiesdistributedviaaninventorylistmailedtoapproximately100growers.By1988, theyhadexpandedtheircollectiontoover100evergreenanddeciduousshrubvarieties.Havinggaineda reputationasasourcefornewshrubs,theysenttheirfirstmulti-pagecatalogtoover700growers.

Fastforwardto1999,thenewColorChoice®programof"newandsuperior"shrubswasintroducedinthe SpringMeadowcatalog.

Thenin2004,SpringMeadowjoinedthefoundingmembersoftheProvenWinners®brandofannualsto becomeProvenWinners®ColorChoice®shrubs-theexclusivelicenseetoselect,develop,distribute,and marketshrubsforthebrand.SpringMeadowisnowpartoftheProvenWinners®cooperativeasoneoffive licensedpropagatorswhoproducesuperiorProvenWinners®gardenandlandscapeplantsfordistribution throughouttheUnitedStatesandCanada.

Stillknownforinnovationandsuperiorplantbreeding,SpringMeadowsearchestheworldtofindandselect exceptionalwoodyornamentalsfortheProvenWinners®ColorChoice®brand.Theseuniqueandinnovative plantsaregrownfrommaterialsbredbyanetworkoftopinternationalandin-housebreeders.Thisprocess translatesintoshrubsthataremoreresistanttodiseaseandpests,havebetterheatandhumiditytolerance, andboastthebroadestgeographicrangeofsuperiorgardenperformance.

PhotoscourtesyofProvenWinners®

Whispers,quakingalanguageallyourown, Shading,anticipatingthesun,therain,theclouds, Earthisyourthrone. Bark,smooth,rough,intriguingtothetouch, Fruitsoftasteandconesoftastelessembrace,bloomingflowersscentingspace, Earthisyourthrone.

Thelastingadorningofevergreen, Deciduousandsemi,whatdoyoumean–Asyoustandstrong,picturesqueonhills,valleys,topsofoceanfloors–yourest, Waitingforadmiration,thechangeinseasons, Earthisyourthrone.

-TCarr,Designer&CLDManagingEditor&ManagingContentPublisher

Whispers,quakingalanguageallyourown, Shading,anticipatingthesun,therain,theclouds, Earthisyourthrone. Bark,smooth,rough,intriguingtothetouch, Fruitsoftasteandconesoftastelessembrace,bloomingflowersscentingspace, Earthisyourthrone.

Thelastingadorningofevergreen, Deciduousandsemi,whatdoyoumean–Asyoustandstrong,picturesqueonhills,valleys,topsofoceanfloors–yourest, Waitingforadmiration,thechangeinseasons, Earthisyourthrone.

TCarr,Designer&CLDManagingEditor&ManagingContentPublisher

TreeHealthandMaintenance

byGoldSponsor

Treesarealong-terminvestmentandneedtobetreatedwithcare.Ensurehealthygrowthwithroutine maintenancevisits.OriginallypublishedJuly7,2022.

Treesneedtobeprotectedtostayhealthyandstrong.Ensureyoutakethenecessarystepstokeepinstalledtrees healthyforyearstocome.Thisisalsoanopportunityforyoutocreateresidualbusiness.

Planting

Gothroughtheprepworkneededbeforeplanting,includingcallingyourlocalutilitiesDIGlinetocheckall utilitiesintheplantingareaareclearlymarkedpriortobeginningwork.Ensureyouareplantingspecieslikelyto thriveinyourcustomers’geography.CheckUSDAzonesbeforehavingcustomerscommittocertainplants. Checktherewillbeenoughroomforitsfullcanopyandmaturerootsystem.Avoidbeingclosetoutilitylines, foundations,andtheroofofthehome.Plantingtoodeepisacommonproblem,soensureyoufollowthecorrect plantingprocedureforthesoilandtreetype.

Don’tforgettowater.Newlyplantedtreesshouldbewateredimmediately,andtherootballshouldbefully saturated.Becareful,astoomuchwateringcancauserootrot,andnotenoughwatercanstuntgrowthoreven killthetree.Monitorwithlocalrainfalltobesurethebalanceiskept.Newtreesrequiretwogallonsofwaterper caliperinchdiameterperdayuntiltherootsareestablished.Waterregularlyforaminimumofsixmonths,giving enoughtimeforrootstopenetratethesoil.Checkclients’maturetreesaswellduringmaintenancevisits,asthey needatleastoneinchofwateraweek.

Applications

Testyoursoilbeforeplantingtounderstandhowtoproperlyamendthesoil.Thetestresultswillguideyoutoall theproductsyoumayneedtobalancesoilacidity,fertility,andmacroandmicronutrients.Selectaproductthat helpscovertheproperdeficienciestostartyournewplantingsoffright.Recognizethattreessharethesoilwith otherlandscaping,suchasflowerbedsandturf,whichallcompeteforthenutrients.Ensureyoubalancethe needsoftheturfandlandscapingwiththeneedsofthetree.

PhotosCourtesyofSiteOne

Considerusingasoiloptimizer–likeLESCOCarbonPro-G. Thiswillincreasebeneficialmicrobialpopulations, increasenutrientuptake,increasenutrientutilization efficiency,increaserootmass,reducewater requirements,andmitigatesenvironmentalstressors. Apply2-5poundspercaliperincharoundthebaseofthe treeorincorporateintotheplantingmix/soil.

AnotherproducttoconsiderwhenusingLESCO® CarbonPro-GisMirimichiGreen’sNutri-Tree&Shrub,a liquidfertilizerthatgetsabsorbedthroughboththeroots andtheleaves.ApplytheCarbonProGandtheNutriTree&Shrubatinstallation,then1-4timesperyear, dependingontreeconditions.

CareConsiderations

Propermulchingcanhelpreducesoilmoistureloss, controlweeds,andinsulatesoilfromextreme temperatures.Ifoverapplied,thiscouldhaveanegative impactonthetree.Mulchshouldnotexceedafewinches indepthandroomshouldbeleftaroundthebaseofthe treeforproperaircirculation.Properpruningimproves treestructureandshouldbedonewhenseasonally appropriateforthetreespecies.Deadwoodcanhold treesbackfromgrowing.Majorpruningshouldbedone inthewinterwhenthetreeisdormant,asideallythetree shouldnothaveleaves.

Duringthesummertime,youcanfocusonclearingout smallerareas,likecrossing,dead,ordamaged branches.Provideregularcheckupsforyourcustomers andhavethemreachoutiftheynoticeanysignsof decline.Spottingdiseaseearlyiscrucialtotreehealth,so communicatewhatdiseasemightlookliketoyour customers.Theyshouldkeepaneyeoutfordiscolored leaves,cankers,splitbark,orinsectactivity.Ifanydamage isseenduringamaintenancevisit,youmayneedtoapply fungicides,insecticides,injectableslikeArborjet,and/or fixstructuraldamagewithcorrectivepruning.

AvoidingPestsandDiseases

Therearemanypeststhatcancausedamageanddisease toyourclients’trees.Forlongtermprevention,develop anIntegratedPestManagement(IPM)program.Monitor treesregularlyforpests.Earlydetectioniskeyforcontrol. Whenplantingtrees,selectspeciesthatarelocally resistanttoinsectsanddiseases.

SiteOnehasYourBack

Whetheryouhaveaquestionorneedproductsforthe jobahead,SiteOnehasyoucovered.Ourassociatesare readytohelp,andourbranchesarefullystocked.Shop SiteOne.comoryourlocalbranchtoday.

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Treesaregiantassetsinourlandscapes,weneed todoourparttopreservetheirpresenceinour world.Thesegiantsaresomeofthemost valuableplantsforwildlifehabitat.Theyofferus respitefromthesun,protectionfromthewindand rain,andtheysmellgreat!Ourjobistocreatea healthylandscapeforthemandhelpthemthrough roughpatches-likevandalism,drought,orourwild CaliforniaWinter2023weather.Weneedtonurture ourtreesandadjustourattitudestoseetreesnotas inconvenientandscarybutasessentialtoourlives ontheplanet.

Stormdamage fromrain,snow,andwindimpacts trees'health.However,unlessyouseeatreeonthe vergeoffallingover,don’tpanic!Manytreeswill recoverquickly.Ifyoubelievethetreedamagemay posearisktohumansafety,youneedtocontacta certifiedarboristtoassessthesituation.Otherwise,a reputable,licensed,andinsuredtreeserviceshould beabletohelpwithanypruningthatlargetrees mightrequireafterstormdamage.

Poorlyprunedtrees aremorethananeye-sore.Bad pruningcanactuallydeteriorateatree’shealthand makeitmoresusceptibletostormdamage.Isthe treesalvageable,andshouldthetreebesaved?Ifyou suspectthatatreemightbesufferingfrompoor pruning,contactanarboristtoadviseonthe correctivemeasuresthatcanbeusedtoaidits recovery.Aswithmostthings,whenrescuingabadly prunedtree,theimpactofthattree'srecoverywill taketime.Thelong-termdamageofbadpruningis oftennotseenuntilafteranimpactfulstormevent occurs.Yourarboristshouldbeabletoassessthis.

Consideringtheclient'svisionformovingforwardis imperativeforasuccessfulsalvagingprojectona tree.Educatingaclientaboutthevalueofthat specifictreecanhelp.Asdesigners,rememberingthe ‘rightplant’meanschoosingatreeforthe‘right place’isalsoabestpracticeandpreventingfuture damageandtreefailures.

Treesareessentialtous:theyareourpastandour present,andlet’shopetreesareinourfutureforas longaswecanimagine.

FeaturedEvents

MWELOTraining&RoundtableforLandscapeDesigners

May17,2023,from12:30to4:30p.m.

Asthisissueofthe CaliforniaLandscapeDesign ishotoffthepress,sotospeak,thisMWELOTrainingandRoundtable programistakingplace.ThankstothegeneroussupportoftheAPLDCAChapterandoursponsors,thisprogramwas offeredfreeofchargetoourmembers.ThisprogramwasdesignedtobeauniqueopportunityforusasLandscape DesignerstolearnabouttheModelWaterEfficientLandscapeOrdinance(MWELO)fromoneofthebestofthebest--Kim O'Cain,authoroftheDepartmentofWaterResources(DWR)MWELOGuidebook.

Kimhasovertwentyyearsofexperiencedevelopingandimplementingwaterconservationprograms,policies,andoutreach topublicagenciesandbusinesses.Beforestartingherconsultingfirmin2017, O’CainConsulting,Inc.,KimmanagedtheCity ofSantaMonica’swaterconservationunitandco-wrotethelocalwaterefficientlandscapeordinanceandstandards.She performedplanchecksandinspectionsinadditiontodevelopingandimplementingavarietyofrebates,including sustainablelandscaperetrofits,andtaughtsustainablelandscapingcourses.

Thistypeoftrainingisimportantforallofus.RegardlessofwhetherwehaveexperiencedevelopingMWELO-compliant plansornot,there'salwaysmoretolearn.Oursisadynamicprofession,andasAPLDmembers,weactivelyparticipatein continuingeducationthatstrengthensourcreativity,knowledge,andskills.Attendeesearned4APLDCEUs.

It'svitalthatweremainabreastofCalifornialegislationthatmaysupportandimpactusaspractitioners.TheMWELOis adopted,andpossiblyupdated,everythreeyears,soit’snotsimplysomethingthattoreviewonceandneverneedtolook atitagain.TheintentofMWELO,inpart,istopromotetheconservationandefficientuseofwaterwhileconserving biodiversityandincreasingclimateresiliency–allimportantfactorstousasAPLDCAmembersanddesignprofessionals. UnderstandingMWELOandusingthesebestpracticescanhelptobolsterourbusinessesandelevatetheservicesweoffer ourclients.

Thisfour-hourprogramincludedthebasicsofwhateverydesignerneedstoknowaboutMWELO'shistory,intent,benefits, applicability,andpathwaysforcompliance;bestpracticesforsubmittingplans;MWELOprojectsbyAPLDCAmembers;and adiscussionaboutmembersuccessesandchallengesworkingwithplanreviewers,clients,andothers.Arecordingofthe trainingportionoftheprogramwillbeavailablesoon.

UniversityofCaliforniaLandscapePlantIrrigation TrialsTM

Abouttheevents: UCLPITTM seekstoimproveurbanwater-useefficiencybyevaluatinglandscapeplantperformanceon threeirrigationtreatmentscorrespondingtotheWaterUseClassificationofLandscapeSpecies(WUCOLS)High,Moderate, andLowcategoriesofwaterneed.Plantsareirrigatedduringtheirfirstsummerafterplanting.Treatmentsareimposed duringthesecondgrowingseasonwhereresearcherscollectgrowthandqualityratings.TheseOpenHouseeventsallow landscapeandhorticulturalindustryprofessionalsandeducatorstheopportunitytoseenewplantsintheir2ndyearand shareyouropinionsandpreferencesbyratingarepresentativesampleoftheplantsinthefieldundergoingirrigation treatments.(Eventsarenotopentothepublic.)Toreadmoreabouttheproject clickhere &ifyouwouldliketoreceivean invitationtothisevent clickhere.ContactJaredSisnerozatjasisneroz@ucdavis.edu.

Photocourtesyof JeniWebberandAssociates|LeeAnneWhitePhotographer

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AboutOurSponsors

Oursponsorshelpusdotheimportantworkoflandscapedesignwhilesupportingourcontinuededucation andnetworking.ThroughsponsorshipofAPLDCaliforniaChapter,theseindustryleadersdeclaretheir supportforbestpractices,educationalprogramsandevents,andthehigheststandardsinlandscapedesign. Fromveteranmaterialssupplierstoproducersofcutting-edgelandscapeproducts,thesecompanieshave committedtoconnectingwithprofessionallandscapedesignersandourclients. Clickthesponsorslogosbelowtovisittheirwebsites.

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