Dubuque Arboretum & Botanical Gardens

Beal Botanical Garden

Ambler Arboretum of Temple University

Jenkins Arboretum & Gardens

Wilbur D May Arboretum and Botanical Garden

Central Gardens of North Iowa

Palma Sola Botanical Park

Fredericton Botanic Garden

Viles Arboretum

Clovis Botanical Garden