Arboretum Foundation

The Arboretum Foundation's mission is to create and strengthen an engaged community of donors, volunteers, and advocates who will promote, protect, and enhance the Washington Park Arboretum for current and future generations.

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Address: 2300 Arboretum Dr E
Seattle, WA 98112
Phone Number: 206-325-4510
EIN: 91-0613583
A non-profit, membership organization, the Arboretum Foundation has provided stewardship for the Washington Park Arboretum since 1935. Located on 230 acres, minutes from the downtown Seattle core, the Arboretum is a highly treasured, widely used community asset, as well as a horticultural, environmental, recreational, and cultural resource for the region. The Arboretum Foundation supports essential operations and activities at the Arboretum, including maintenance, seasonal gardeners, volunteer recruitment, children's education, collection restoration, and capital projects. It also manages fundraising, events, and volunteers for the Seattle Japanese Garden in the Arboretum.


* The Arboretum features more than 11 miles of trails for recreation and exploration.
* The Arboretum has world-class collections of maples, magnolias, camellias, and mountain ashes.
* The Arboretum's Lake Washington shoreline is habitat for threatened Chinook salmon and bald eagles.
* The Arboretum depends on $400,000 in annual donations from individuals.
* Donated funds bring 6,000 school kids to the Arboretum each year to learn about the environment.
* In 2016, 800 volunteers donated more than 14,000 hours in support of the Arboretum.
* Since 2003, the Arboretum Foundation has raised $4 million for new Arboretum gardens.