Supporting the Washington Park Arboretum, Seattle
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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.

$620K
The amount we gave our partners in 2020 to support the Arboretum.

13,892
The number of hours our volunteers contributed in 2019.
News Articles

COVID-19 Response: Arboretum Visitors Update
Visitors Center & Arboretum Shop Now Open! Following a year of pandemic-related closure, the Graham Visitors Center and Arboretum Gift Shop have reopened in a limited capacity. Opening hours for the lobby are Wednesday through Sunday, 10 a.m. to 3 p.m. The shop...

Online Wine Auction Taking Place April 19 to 22!
As we communicated in our gala-related emails, we postponed the wine component of Spring Forward! due to a recent update in state licensing rules. The wine auction will now happen as a separate, mini online event from April 19 to 22. It'll feature 13 exciting wine...

Foundation Receives Generous Bequest from Longtime Volunteer
The Arboretum Foundation has received a very generous bequest of over $300,000 from the estate of Barbara Bonjour. One of our hardest working and most cherished volunteers, Barbara passed away in April of last year. You can read her obituary in The Seattle Times. A...

Spring Spotlight on Environmental Education
Spring in the Arboretum is usually our busiest time for education programs. In a typical year, thousands of students from hundreds of schools visit the Arboretum with their classes to participate in 90-minute programs designed to support classroom learning, while...
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