WELCOME TO THE ARBORETUM FOUNDATION
Supporting Washington Park Arboretum, Seattle, for more than 75 years
Visitors, members, and volunteers have helped make Washington Park Arboretum a Northwest treasure since its founding in 1934. The Arboretum Foundation invites you to explore the Arboretum’s 230 acres and join in our mission to protect and enhance this spectacular urban green space and plant collection.
Some of the important work we’re doing…