Buena Vista Audubon Society Nature Center, Oceanside

California Native Plant society, San Diego

Casa Romantica Cultural Center & Gardens, San Clemente

Chino Basin Water Conservation District Garden, Montclair

Council for Watershed Health

Descanso Gardens, La Canada Flintridge

Fullerton Arboretum, Fullerton

Madrona Marsh Nature Center, Torrance

Maloof Foundation, Alta Loma

Master Gardener Association of San Diego County

Master Gardeners of Orange County

Rancho Santa Ana Botanic Garden, Claremont

San Diego Botanic Garden, Encinitas

San Diego Horticultural Society, various

Shipley Nature Center, Huntington Beach

Southern California Horticultural Society, various

South Coast Succulent and Cactus Society, various

South Coast Botanic Garden, Palos Verdes Peninsula

Theodore Payne Foundation for Wild Flowers and Native Plants, Sun Valley

The Water Conservation Garden, El Cajon

Western Municipal Water District