Supporting the Washington Park Arboretum, Seattle
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Growing into Seattle Botanic Gardens
A new chapter is beginning. As the Arboretum Foundation evolves into Seattle Botanic Gardens, we’re building on a shared commitment to plants, people, and place. Learn more about our new mission and how we’re creating even more opportunities to explore, discover, and connect across our gardens.
$1.95 M
The amount we gave our partners in 2025–26 to support the Arboretum.
11,000+
The number of hours our volunteers contributed in 2024–25.
News Articles
Black Walnut Tree in Arboretum Tests Positive for Thousand Cankers Disease
Cankers and beetle feeding holes on the inner bark of a downed walnut branch. (Photo courtesy: Elizabeth Bush, Virginia Polytechnic Institute and State University, bugwood.org)FIRST DOCUMENTED CASE IN WESTERN WASHINGTON! This summer, Seattle Botanic Gardens...
Hidden Treasure of the Arboretum: Witch-Alder
Fall foliage close-up of a witch-alder in the Arboretum's Woodland Garden. (Photo by Niall Dunne)BY PHIL WOOD As a retired garden designer, I am always on the lookout for plants that offer multiple seasons of interest. Witch-alders (Fothergilla species and hybrids)...
Volunteers Help Host First Seattle Botanic Gardens’ Plant Sale
Volunteers helping shoppers at check-out in the Big Greenhouse. (Photo by Polly Teeter)BY ALICIA HAMILTON Our annual Fall Plant Sale took place at the Graham Visitors Center in the Arboretum last Saturday, September 19. Though it happened on a single day, the sale was...
Helping the Recovery of North America’s Rarest Fir
Arborists Lincoln and Shea after collecting the Santa Lucia fir cones. (Photo: Joanna Long)Seattle Botanic Gardens arborists Shea Cope and Lincoln Erbeck are quite the dynamic duo. They spend much of their time ensuring that the thousands of trees growing in the...
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