Mead Botanical Garden

Newport Tree Conservancy

Chihuahuan Desert Nature Center & Botanical Gardens (Chihuahuan Desert Research Institute)

Magnolia Botanical Garden

United Plant Savers Botanical Sanctuary

Rhododendron Species Botanical Garden

Orton Botanical Garden

Metroparks Toledo – Ellen Biddle Shipman Garden

Landcraft Garden Foundation

UCLA Mildred E. Mathias Botanical Garden