Arnold Arboretum // Harvard University, Jamaica Plain, Massachusetts, USA

Atlanta Botanical Garden // Atlanta, Georgia

Bellevue Botanical Garden // Bellevue, Washington, USA

Botanic Garden of Smith College // Northampton, Massachusetts, USA

Brooklyn Botanic Garden // Brooklyn, New York

Chase Garden // Orting, Washington, USA

Chicago Botanic Garden // Glencoe, Illinois, USA

Cornell Plantations // Ithaca, New York, USA

Desert Botanical Garden // Phoenix, Arizona, USA

Kruckeberg Botanic Garden // Shoreline, Washington, USA

Missouri Botanical Garden // St. Louis, Missouri, USA

Morton Arboretum // Lisle, Illinois, USA

New York Botanical Garden // Bronx, New York, USA

North Carolina Botanical Garden // Chapel Hill, North Carolina, USA

Quarryhill Botanical Garden // near Glen Ellen, California, USA

Rancho Santa Ana Botanic Garden // Claremont, California, USA

Rhododendron Species Botanical Garden // Federal Way, Washington, USA

Salisbury University Arboretum // Salisbury, Maryland, USA

The University of California Botanical Garden, Berkeley // Berkeley, California, USA. The garden is a living museum open to the public featuring one of the most diverse plant collections in the United States. Established in 1890, the Garden's 34 acres contain over 12,000 taxa and more than 20,000 accessions from all over the world arranged by region.

Washington Park Arboretum // Seattle, Washington