California Plant Group NameAddressCityStateZipcode
01 California Gardens from PlantsGalore.ComGardens GaloreArboretaCACC
01 California Information Sources from PlantsGalore.ComWeb ResourcesInfoGaloreCACC
Alameda County Beekeepers AssociationP O Box 5155Bay PointCA94565-0655
American Bamboo Society1101 San Leon CtSolana BeachCA92075
American Begonia Society157 Monument RdRio DellCA95562-1617
American Begonia Society, Alfred D. Robinson Branch4505 Long Branch AveSan DiegoCA92107-2333
American Bonsai Association of Sacramento SacramentoCA 
American Bryological & Lichenological Society  CA 
American Fuchsia SocietyGolden Gate ParkSan FranciscoCA94122
American Iris SocietyBox 8455San JoseCA95155-8455
American Rhododendron Society - California Chapter11 Pinecrest DrFortunaCA95540
American Rhododendron Society - De Anza Chapter Los AltosCA 
American Rhododendron Society - Eureka Chapter EurekaCA 
American Rose Society - N California Nevada Hawaii District  CA 
American Rose Society - Pacific Southwest District  CA 
American Society of Landscape Architects Redwood Empire Section San FranciscoCA 
Aquatic Gardeners' Association  CA 
Arboretum District of California Garden Clubs537 W. Walnut AveArcadiaCA91007-8339
Association of Natural Biological Control Producers10202 Cowan Heights DrSanta AnaCA92705
Association of Zoological Horticulture2001 Marine World ParkwayVallejoCA94589
Baiko-en Bonsai Kenkyukai CovinaCA 
Bay Island Bonsai AlamedaCA 
Beekeepers Association of Southern CaliforniaPO Box 5021Hacienda HeightsCA91745
Bio-Integral Resource CenterBox 7414BerkeleyCA94701
Bonita Organic Garden Club3335 Budd St.San DiegoCA92111
Bonita Valley Garden Club40 Palomar DrChula VistaCA91911-1508
Bonsai Club of Santa BarbaraBox 3703Santa BarbaraCA93130
Bonsai Society of San Francisco San FranciscoCA 
Bromeliad Society of San Francisco9Th & Lincoln WaySan FranciscoCA94122
Cactus & Succulent Society of AmericaBox 3010Santa BarbaraCA93130
Cactus & Succulent Society of San Jose San JoseCA 
Calaveras County Master GardenerUniversity of California DavisSan AndreasCA 
California Aiseki Kai GardenaCA 
California Arboretum Foundation  CA 
California Association of Nurseries & Garden Centers4620 Northgate Blvd #155SacramentoCA 
California Bee BreedersPO Box 386SheridanCA95681
California Bonsai Society700 State DrLos AngelesCA90037
California Christmas Tree Growers  CA 
California Coastal Rose Society CarlsbadCA 
California Compost Quality Council  CA 
California Exotic Pest Plant Council31872 Joshua Dr Suite 25-DTrabuco CanyonCA92679-3112
California Fertilizer Association1700 I St Suite 130SacramentoCA95814
California Forestry Association1215 K StSacramentoCA 
California Garden & Landscape History SocietyBox 1075Palo AltoCA94302-1075
California Garden and Landscape History Society3223 East First StLong BeachCA90803
California Garden Clubs  CA 
California Horticulture Society1847 34th AveSan FranciscoCA94122
California Interior Plantscape Association493 S Highland AveUkiahCA95482
California Landscape Contractors Association2021 N St Suite 300SacramentoCA95814
California Native Grass Association  CA 
California Native Plant Society1722 J St Suite 17SacramentoCA95814-2931
California Native Plant Society - Bristlecone Chapter  CA 
California Native Plant Society - Channel Island Chapter OjaiCA 
California Native Plant Society - Dorothy King Young Chapter GualalaCA 
California Native Plant Society - East Bay Chapter BerkeleyCA 
California Native Plant Society - El Dorado Chapter  CA 
California Native Plant Society - LA/Santa Monica Chapter Santa MonicaCA 
California Native Plant Society - Marin Chapter Mill ValleyCA 
California Native Plant Society - Milo Baker Chapter Santa RosaCA 
California Native Plant Society - Mount Lassen Chapter2707 K Street Suite 1SacramentoCA95816-5113
California Native Plant Society - Napa Valley Chapter  CA 
California Native Plant Society - Northcoast Chapter  CA 
California Native Plant Society - Redbud Chapter Nevada CityCA 
California Native Plant Society - Sacramento Valley Chapter SacramentoCA 
California Native Plant Society - San Diego Chapter San DiegoCA 
California Native Plant Society - San Gabriel Mountains Chapter1750 North Altadena DrPasadenaCA 
California Native Plant Society - San Hedrin Chapter950 Lake Mendocino DrUkiahCA95482
California Native Plant Society - San Luis Obispo Chapter San Luis ObispoCA 
California Native Plant Society - Sanhedrin Chapter UkiahCA 
California Native Plant Society - Santa Clara Chapter Santa ClaraCA 
California Native Plant Society - Shasta Chapter ReddingCA 
California Native Plant Society - Sierra Foothills Chapter2707 K St., Ste.1SacramentoCA95816
California Native Plant Society - South Coast Chapter Palos VerdesCA 
California Native Plant Society - Willis Lynn Jepson Chapter FairfieldCA 
California Native Plant Society - Yerba Buena Chapter San FranciscoCA 
California Native Plant Society Sequoia Chapter3457 RedlandsFresnoCA93726
California State Beekeepers Association7220 E. Grayson RdHughsonCA95326
California Weed Science - Society  CA 
Camellia Koi Club SacramentoCA 
Camellia Society of Sacramento1028 R StreetSacramentoCA95811-6500
Carlsbad Garden Club2650 Garfield StreetCarlsbadCA92008-2216
Central California Orchid Society FresnoCA 
Central Coast Geranium Society498 Colonial PlaceNipomoCA93444
Central Coast Heritage Rose Group Santa CruzCA 
Central Valley BeekeepersPO Box 314KermanCA93630
Chico Bonsai SocietyPleasant Valley Recreation CtrChicoCA95927
Coastal Valley Orchid Society LompacCA 
Contra Costa Rose Society Walnut CreekCA 
Coronado Floral Association San DiegoCA 
Crown Garden Club of Coronado620 First StreetCoronadoCA92118-1202
Culver City Garden Club Culver CityCA90232
Cyad Society1161 Phyllis CtMountain ViewCA94040
Cymbidium Society of America SacramentoCA 
Dai Ichi Bonsai Kai GardenaCA 
Del Mar Rose Society294 Torrey Pines TerraceDel MarCA92014
Delta Bee Club7220 E. Grayson RdHughsonCA95326
Descanso Bonsai Society1418 Descanso DrLa CanadaCA91011
Desert Rose Society73-308 Tamarisk St.Palm DesertCA92260
Diablo View Orchid Society San RamonCA 
Diggers Garden Club PasadenaCA 
Dos Valles Garden Club Valley CenterCA 
East Bay Bonsai SocietyLakeside Garden CtrOaklandCA 
East Bay Rose Society OaklandCA 
East County Rose Society El CajonCA 
El Dorado County Master GardenerUniversity of California DavisPlacervilleCA 
Elk Grove Garden Club Elk GroveCA 
Epiphyllum Society of AmericaBox 1395MonroviaCA91016
Fair Friends of Roses Rose Society253 McKee StreetVenturaCA93001
Fallbrook Garden Club FallbrookCA 
Five Cities Orchid Society Arroyo GrandeCA 
Flower Essence SocietyBox 459Nevada CityCA95959
Folsom Garden Club FolsomCA 
Fresno Bonsai SocietyFresno City CollegeFresnoCA 
Friends of the Regional Parks Botanic GardenTilden Regional ParkBerkeleyCA94708-2396
Gilroy Beekeepers Association1726 Fine DrGilroyCA95020
Gold Coast Cymbidium Growers San MateoCA 
Gold Country Rose Society AuburnCA 
Golden State Bonsai Federation  CA 
Hancock Park Garden Club Los AngelesCA 
Hanford Bonsai Society, Inc.  CA 
Heritage Roses Group1034 Taylor AveAlamedaCA94501
Humboldt Botanical Gardens FoundationBox 6117EurekaCA95502-6117
Humboldt County Beekeepers Association450 Redmond RdEurekaCA95503
Humboldt Rose Society McKinleyvilleCA 
Hydroponic Society of America ConcordCA 
Ikebana International Monterey Bay Chapter 231 MontereyCA 
Ikebana International San Francisco Bay Area Chapter San FranciscoCA 
Inland Empire Bonsai SocietyUC RiversideRiversideCA 
Inland Koi Society RiversideCA 
International Association of Golf Administrators3740 Cahuenga BlvdNorth HollywoodCA91604
International Carnivorous Plant SocietyFullerton ArboretumFullertonCA92634
International Plant Propagators Society - Western RegionBox 736San Juan CapistranoCA 
Kern County Rose Society BakersfieldCA 
Kofu Bonsai Kai1000 South State College Blvd.AnaheimCA92806-4934
Koi Club of San Diego San DiegoCA 
Kusamura Bonsai Club Palo AltoCA 
Ladybugs Ramona Womans ClubPO Box 735RamonaCA92065
Lake Hodges Native Plant Club EscondidoCA 
Lakeside Garden ClubPO Box 122LakesideCA92040
Lawn Equipment Dealers AssociationBox 38Sierra MadreCA91025
Lepidopterists' SocietyNatural History MuseumLos AngelesCA90007-4057
Los Angeles Arboretum Foundation301 N Baldwin AveArcadiaCA91007-2697
Los Angeles Cactus & Succulent Society Los AngelesCA 
Los Angeles County Beekeepers16333 Parthenia StNorth HillsCA91343
Los Angeles International Fern SocietyBox 90943PasadenaCA91109-0943
Los Angeles Master GardenerUniversity of California DavisLos AngelesCA 
Los Angeles Rose Society Los AngelesCA 
Malibu Orchid Society Pacific PalisadesCA 
Malihini Orchid Society CupertinoCA 
Marin County Beekeepers Association1 Sacramento AveSan AnselmoCA94960
Marin Master GardenersUniversity of California DavisNovatoCA 
Marin Rose Society Marin CountyCA 
Master Gardeners in San Luis ObispoUniversity of California DavisSan Luis ObispoCA 
Master Gardeners of Napa CountyUniversity of California DavisNapaCA 
Master Gardeners of Nevada County Grass ValleyCA 
Master Gardeners of Orange County OaklandCA 
Midori Bonsai Club San JoseCA 
Miracosta Horticulture Club3538 Turquoise LaneOceansideCA92056-4870
Mission Hills Garden Club San DiegoCA 
Modesto Bonsai ClubBox 578518ModestoCA95357-8518
Modesto Garden Club ModestoCA 
Monrovia Garden ClubP.O. Box 823MonroviaCA91017-0823
Monte Vista Middle School Native Plant Society  CA 
Monterey Bay Master GardenersMonterey and Santa Cruz Counties CA 
Monterey Bonsai Club MontereyCA 
Mother Lode Rose Society JacksonCA 
Mount Diablo Beekeepers Association Walnut CreekCA 
Mt Diablo Beekeepers Association Pleasant HillCA 
Napa Valley Bonsai ClubBox 2220NapaCA94558
Napa Valley Orchid Society NapaCA 
Nevada County Beekeepers Association10396 Mountain Lion LnGrass ValleyCA95949
Nevada County Master GardenersPlacer-Nevada CountiesAuburnCA 
Newport Harbor Orchid Society Costa MesaCA 
Nishiki Koi Club AnaheimCA 
Nor-Cal Daylily Group4 Wren CtConcordCA94519-1740
North American Heather Society MendocinoCA 
North Bay Rose Society VallejoCA 
North County Bromeliad Society2984 Ridgefield AveCARLSBADCA92008
Northern California Daffodil Society066 Green StMartinezCA94553
Orange County Branch Cymbidium Orchid Society Garden GroveCA 
Orange County Cactus & Succulent Society  CA 
Orange County Fuchisa Society WestminsterCA 
Orange County Geranium Society2216 E.South StAnaheimCA92801
Orange County Orchid Society Yorba LindaCA 
Orange County Rose Society IrivineCA 
Orange Empire Bonsai SocietyBox 2114La HabraCA90632
Orchid Conservation Alliance EncinitasCA 
Orchid Forum of Sacramento ScaramentoCA 
Orchid Society of California  CA 
Orchid Society of Santa Barbara Santa BarbaraCA 
Orchid Society of Southern California Los AngelesCA 
Organization of Biological Field Stations  CA 
Orinda Garden Club OrindaCA 
Pacific Bulb Society PasadenaCA 
Pacific Rose Society Los AngelesCA 
Palomar Orchid Society CarlsbadCA 
Partners for Sustainable Pollination1828 Beaver StreetSanta RosaCA95404
Peninsula Orchid Society San MateoCA 
Peninsula Rose Society  CA 
People For Trees San DiegoCA 
Point Loma Garden Club San DiegoCA 
Poway Valley Garden ClubPO Box 27PowayCA92074-0027
Ramona Garden Club San DiegoCA 
Redwood Empire Bonsai SocietyVeterans Memorial HallSanta RosaCA 
Redwood Empire Rose Society Santa RosaCA 
Riverside County Master Gardeners RiversideCA 
Riverside Rose Society RiversideCA 
Riverside/San Bernardino Chapter California Native Plant Society2126 S Concord AveOntarioCA91761-5339
Riverside-San Bernardino Counties Orchid Society RedlandsCA 
Rose Society of Saddleback Mountain Las FloresCA 
Sacramento Area Beekeepers Association2110 'X' StreetSacramentoCA95816
Sacramento Area Community Garden Coalition SacramentoCA 
Sacramento County Master Gardeners SacramentoCA 
Sacramento Orchid Society SacramentoCA 
Sacramento Perennial Plant Club SacramentoCA 
Sacramento Rose Society SacramentoCA 
Sacramento Sierra Lily Society4234 Randhurst WayFair OaksCA95628
Sacramento Valley Cymbidium Society SacramentoCA 
Sacramento Valley Garden Railway Society SacramentoCA 
Sacremento Bromeliad Society150 Breckenwood WaySacramentoCA95864-6968
San Bernardino Master GardenersUniversity of California DavisSan BernardinoCA 
San Diego Bonsai Club Inc.Box 40037San DiegoCA92164
San Diego Botanical Garden Foundation San DiegoCA 
San Diego Epiphyllum Society San DiegoCA 
San Diego Fern Society San DiegoCA 
San Diego Floral Association2125 Park Blvd #105San DiegoCA92102-4792
San Diego Geranium Society San DiegoCA 
San Diego Horticultural Society San DiegoCA 
San Diego Master Composters137 North El Camino RealEncinitasCA92024
San Diego Master GardenerUniversity of California DavisSan DiegoCA 
San Diego Orchid Society San DiegoCA 
San Diego Rose Society San DiegoCA 
San Dieguito Garden Club EncinitasCA 
San Fernando Valley Rose Society NorthridgeCA 
San Francisco Bay Area Koi Club San FranciscoCA 
San Francisco Beekeepers Association194 Lippard AveSan FranciscoCA94131
San Francisco Garden Club640 Sutter Street 4MSan FranciscoCA94102
San Francisco League of Urban Gardeners San FranciscoCA 
San Francisco Orchid Society San FranciscoCA 
San Francisco Professional Gardeners' Association425 Potrero AveSan FranciscoCA94110
San Francisco Rose Society San FranciscoCA 
San Gabriel Valley Orchid Hobbyists ArcadiaCA 
San Joaquin Valley Rose Society FresnoCA 
San Leandro Dahlia Society BrentwoodCA 
San Mateo County Beekeepers Guild629 Castle Hill RdRedwood CityCA94061
Sansui Kai of Sourthern California EncinoCA 
Santa Anita Bonsai Society ArcadiaCA 
Santa Barbara Rose Society Santa BarbaraCA 
Santa Clara County Master GardenerUniversity of California DavisSanta ClaraCA 
Santa Clara County Rose Society Santa ClaraCA 
Santa Clara Valley Beekeepers150 Wooded View DrLos GatosCA95032
Santa Clara Valley Koi & Watergarden Club Santa ClaraCA 
Santa Clara Valley Orchid Society Santa ClaraCA 
Santa Clarita Koi & Watergarden Club Santa ClaritaCA 
Santa Clarita Valley Rose Society Santa ClaritaCA 
Santa Cruz Bonsai Kai Santa CruzCA 
Santa Maria Bonsai Club Santa MariaCA 
Saratoga Horticulture Research Foundation15185 Murphy AveSan MartinCA95046
Satsuki Aikokai Association of Sacramento SacramentoCA 
Sedum Society ClovisCA 
Sei Boku Bonsai Kai Foster CityCA 
Shasta College Master Gardener AssociationShasta, Tehama and Trinity CountiesReddingCA 
Shasta Koi & Water Garden Club ReddingCA 
Shasta Rose Society ReddingCA 
Shikishima Bonsai Club Pleasant HillCA 
Shohin Bonsai Society301 N Baldwin AveArcadiaCA91007-2697
Sierra Foothills Iris SocietyBox 332ApplegateCA95703
Sierra Foothills Rose Society Citrus HeightsCA 
Society for Pacific Coast Native Iris4333 Oak Hill RdOaklandCA94605
Sonoma County Beekeepers Association1295 Bloomfield RdSebastopolCA95472
Sonoma County Master GardenerUniversity of California DavisSanta RosaCA 
Sonoma County Orchid Society Santa RosaCA 
South Bay Bromeliad Association7165 Avenida AltissimaRancho Palos VerdesCA90275
South Bay Orchid Society Palos Verdes PeninsulaCA 
South Coast Dahlia Society San PedroCA 
South Coast Orchid Society Long BeachCA 
South Coast Rose Society5418 Ironwood StRancho Palos VerdesCA90275
South Valley Bee Club8611 Rd 238Terra BellaCA93270
Southern California Botanists FullertonCA92834
Southern California Hemerocallis & Amaryllis Society1150 E 75th StLos AngelesCA90001
Southern California Orchid Species Society PlacentiaCA 
Southern California Plumeria Society El CajonCA 
Southern California Turfgrass Council  CA 
Southern California Turfgrass Council  CA 
Species Lily Preservation Group4234 Randhurst WayFair OaksCA95628
Sunset Succulent Society  CA 
Temecula Valley Rose Society TemeculaCA 
Theodore Payne Foundation for Wildflowers & Native Plants10459 Tuxford StSun ValleyCA91352
Tinseltown Rose Society3053 Laurel Canyon BlvdStudio CityCA91604-4214
Tropical Fern & Exotic Plant Society- San Diego6356 Delbarton St.San DiegoCA92120-2618
Tulare / Kings Counties Master Gardener Volunteer ProgramUniversity of California DavisVisaliaCA 
Tuolumne County Master Gardeners2 South Green StSonoraCA 
University City Garden Club San DiegoCA 
Vaca Valley Bonsai Club VacavilleCA 
Valley of the Moon Garden Club646 Napa Road SonomaCA95476
Ventura County Koi Society  CA 
Ventura County Master Gardeners669 County Square DrVenturaCA 
Ventura County Rose Society Sherman OaksCA 
Village Garden Club of La Jolla La JollaCA 
Vista Garden ClubPO Box 44VistaCA92085
Western Plant Growth Regulator Society  CA 
Woodside - Atherton Garden ClubBox 838Menlo ParkCA84025
Yamato Bonsai Club San LorenzoCA 
Yolo County Master Gardeners70 Cottonwood StWoodlandCA 
Zen Nippon Airinkai - Southern California Chapter  CA 

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