Help support Washington Park Arboretum

Your generosity helps fund maintenance, volunteer, and education programs that keep this precious resource free, vibrant, and beautiful. If you are not currently a member, you will receive Arboretum Foundation membership benefits commensurate with your donation level. If you wish to decline these benefits, please check the “decline” box in the Additional Information section below.

magnolia blossom


Think Forever! Join Today!


The Arboretum Foundation is a registered non-profit organization. Your donation is tax-deductible to the full extent allowed by the law (tax ID # 91-0613583).

If you have questions about your donation, please contact us at:
206-325-4510 or

Donate by Phone or Mail
Call us at 206-325-4510 or send a check to:

Arboretum Foundation
2300 Arboretum Drive East
Seattle, WA 98112

Use a Donor-Advised Fund
The web application below allows you to give directly to the Arboretum Foundation from a participating donor-advised fund (DAF).