| • Balboa Park |
| • Big Basin Redwoods State Park |
| • Descanso Gardens |
| • East Bay Regional Park District |
| • Friends of the Regional Parks Botanic Garden |
| • California Garden Clubs |
| • California State Parks |
| • County of Los Angeles Parks & Recreation |
| • Elizabeth Gamble Garden |
| • Fairview Gardens |
| • Filoli Center |
| • Fullerton Arboretum |
| • Guadalupe River Park & Gardens |
| • Hearst Castle |
| • Huntington Library & Gardens |
| • International World Peace Rose Gardens |
| • Japanese Friendship Garden |
| • Kimberly Crest House & Gardens |
| • Living Desert Zoo & Gardens |
| • Los Angeles County Arboretum & Botanical Gardens |
| • Mendocino Coast Botanical Gardens |
| • Mission San Luis Rey |
| • Quail Botanical Gardens |
| • Quarryhill Botanical Gardens |
| • Pasadena Tournament of Roses |
| • Rancho Santa Ana Botanic Gardens |
| • Rancho Los Cerritos |
| • Ruth Bancroft Garden |
| • Santa Barbara Botanic Garden |
| • San Franciso Botanical Gardens |
| • Shinzen Japanese Botanical Gardens |
| • South Coast Botanic Garden |
| • The Wrigley Memorial and Botanical Gardens |
| • Turtle Bay Exploration Park |
| • University of California Botanical Gardens |
| • University of California Davis Arboretum |
USA Gardens
