Protecting & Enhancing a Northwest Treasure

Members, donors, visitors, and volunteers have helped make the 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 world-class plant collection.

Learn about our mission and vision

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40,000

The number of plants being cared for by Arboretum arborists and gardeners.

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7,000

Number of children who participate in  the environmental education program each year.

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$620K

The amount we gave our partners in 2020 to support the Arboretum.

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13,892

The number of hours our volunteers contributed in 2019.

News Articles

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2021 Annual Meeting Report

2021 Annual Meeting Report

We had a good turnout for our Virtual Annual Meeting on June 16. More than 70 Arboretum Foundation members tuned into the Zoom webinar to hear about our fiscal-year accomplishments, listen to updates from our UW and City partners, and participate in our Board of...

Hidden Treasure of the Arboretum: Mountain Stewartia

Hidden Treasure of the Arboretum: Mountain Stewartia

Stewartias are among the stars of the summer-flowering season at the Arboretum. While the Asian stewartia species in the main grove on the southern edge of the Camellia Collection justifiably receive a lot of praise, the lesser-known mountain stewartia (Stewartia...

Foundation Welcomes Three New Board Members!

Foundation Welcomes Three New Board Members!

At our Annual Meeting on June 16, we elected three new members to our Board of Directors. Congratulations and welcome to Lisa, Scott, and Beverly! We are excited to have your talents and expertise on board, and we appreciate you sharing your energy and passion to help...

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Support This Special Place of Solace! 

Read about our 2020–21 fiscal year accomplishments.

UW Botanic Gardens
Seattle Parks and Recreation.

There are many ways to support our work. Choose one that’s right for you.