Morris Arboretum & Gardens of the University of Pennsylvania

The Louise Arnold Tanger Arboretum at LancasterHistory

Lake Erie Arboretum at Frontier Park (LEAF)

Hershey Gardens

Haverford College Arboretum

Goodell Gardens & Homestead

The Oregon Garden

Mount Pisgah Arboretum

Leach Botanical Garden

Hoyt Arboretum