1935 (Old) Cactus Garden
| San Diego, California |
Alcazar Garden
| San Diego, California |
Alta Vista Gardens
 | Vista, California |
Ama's Herboretum
| Temecula, California |
Blake Garden
| Kensington, California |
Conservatory of Flowers, San Francisco
 | San Francisco, California |
Daylily Hill
| Escondido, California |
Descano Gardens
| La Canada Flintridge, California |
Dunsmuir Botanical Garden
| Dunsmuir, California |
Elizabeth Gamble Garden
 | Palo Alto, California |
Emma Prusch Farm Park
| San Jose, California |
Filoli
 | Woodside, California |
Flower Fields
| Carlsbad, California |
Garden Valley Ranch Rose Nursery
 | Petaluma, California |
Gardens at Heather Farm
| Walnut Creek, California |
Hakone Japanese Gardens
 | Saratoga, California |
Hayward Japanese Gardens
| Hayward, California |
High Sierra Iris and Wedding Gardens
| Camino, California |
Humboldt Botanical Gardens
| Eureka, California |
Huntington Botanical Gardens
 | San Marino, California |
Japanese Friendship Garden of San Diego
| San Diego, California |
Japanese Tea Garden at Golden Gate Park
 | San Francisco, California |
Jurupa Mountains Cultural Center
| Riverside, California |
Lake Cunningham Park
 | San Jose, California |
Lake's Nursery
 | Newcastle, California |
Larner Seeds Shop & Demonstration Garden
| Bolinas, California |
Los Angeles County Arboretum & Botanic Garden
| Arcadia, California |
Lotusland
| Santa Barbara, California |
M. Young Botanic Garden
| Kerman, California |
Mendocino Coast Botanical Gardens
 | Fort Bragg, California |
Mildred E. Mathias Botanical Garden (UCLA)
| Los Angeles, California |
Moorten Botanical Gardens
| Palm Springs, California |
Mourning Cloak Ranch and Botanical Gardens
| Tehachapi, California |
Oakland Museum and Gardens
| Oakland, California |
Orcutt Ranch Horticultural Center (Rancho Sombra del Roble)
| Canoga Park, California |
Overfelt Gardens
 | San Jose, California |
Paula Bears Nursery and Iris Garden
| Nipomo, California |
Quail Botanical Gardens
 | Encinitas, California |
Quarryhill Botanical Garden
 | Glen Ellen, California |
Rancho Santa Ana Botanic Garden
| Claremont, California |
River Envy Iris Farm
| Three Rivers, California |
Russian River Rose Company
| Healdsburg, California |
Ruth Bancroft Garden
 | Walnut Creek, California |
San Francisco Botanical Garden at Strybing Arboretum
 | San Francisco, California |
San Jose Heritage Rose Garden
 | San Jose, California |
San Jose Municipal Rose Garden
 | San Jose, California |
San Luis Obispo Botanical Garden
| San Luis Obispo, California |
Santa Barbara Botanic Garden (& Garden Guild)
| Santa Barbara, California |
Scott's Iris Gardens
| Atascadero, California |
South Coast Botanic Garden
| Palos Verdes Peninsula, California |
Sutton Iris Gardens
| Porterville, California |
Temecula Valley Iris
| Temecula, California |
The Living Desert Palo Verde Garden Center & Wortz Demonstration Garden
 | Palm Desert, California |
The Pizza Farm
| Madera, California |
The Potting Shed
 | Aptos, California |
The Rose and Thorn
 | Sebastopol, California |
The Water Conservation Garden
 | El Cajon, California |
Theodore Payne Foundation
 | Sun Valley, California |
Tilden Botanic Garden
 | Berkeley, California |
Tuscan Heights Lavender Gardens
| Whitmore, California |
UC-Irvine Botanical Garden (UCI Arboretum)
| Irvine, California |
UC-Riverside Botanic Garden
 | Riverside, California |
UCLA Hannah Carter Japanese Garden
 | Bel Air (Los Angeles), California |
University of California Botanical Garden at Berkeley
 | Berkeley, California |
Villa Montalvo
 | Saratoga, California |
Western Hills Nursery
 | Occidental, California |
WMWD Landscapes-Southern California Style
 | Riverside, California |
Wrigley Memorial & Botanical Gardens (Catalina Island Conservancy)
| Avalon, California |