Events
Plant sales, garden parties, and more in support of the Arboretum
The Foundation organizes a series of events each year to raise vitals funds for Arboretum and Seattle Japanese Garden programs.
Gifts & Greens Galore
December 5 & 6, 2026
Gifts & Greens Galore
December 5 & 6, 2026
Don’t miss our popular annual holiday sale! It features a great selection of botanical decorations and nature-inspired gifts, including many local, seasonal specialty items. You’ll find handmade wreaths and centerpieces; fresh-cut greens; locally crafted jewelry, decor, and soaps; gardening and nature books; holiday cards; and much more. Shop for everyone on your list, while helping support vital programs at the Arboretum.
Spring Plant Sale
April 2027
Spring Plant Sale
April 2027
Add new life and beauty to your home by buying trees, shrubs, and perennials at our volunteer-run Cloney-Harris Nursery and Pat Calvert Greenhouse, located next to the Graham Visitors Center. At our annual spring plant sale, the nursery will re-open for the season (April through October), and the greenhouse will be back operating at full capacity. Volunteers will be on-site to help you with plant selections and share more about these volunteer run plant programs.
Spring Volunteer Open House
May 2027
Spring Volunteer Open House
May 2027
Interested in volunteering at the Arboretum? Join us for our Spring Open House to learn more about the many ways to get involved across our volunteer programs. This casual drop-in event is a chance to meet current volunteers and staff, hear directly from the people who make these programs thrive, and learn what different volunteer roles look like throughout the year.
Concert Truck Performance
Summer 2027
Concert Truck Performance
Summer 2027
Each summer, the Seattle Chamber Music Society‘s Concert Truck brings live classical music directly to our region’s parks, including the Arboretum. Free and open to the public, these unique concert experiences are perfect for families, first-time listeners, and music lovers alike. The Concert Truck makes world-class music fun, accessible, and unforgettable.
Annual Meeting & Picnic
June 2027
Annual Meeting & Picnic
June 2027
Each June, the Arboretum Foundation hosts its annual meeting, and all Foundation members are invited to attend. The event includes a slideshow about the Foundation’s fiscal-year activities and achievements from our Board and staff, an update from our Arboretum partners, and the election of new members to our Board of Directors. It concludes with a light meal on the Visitors Center terrace.
Yoga in the Arboretum
July 2027
Yoga in the Arboretum
July 2027
Practice yoga in the Arboretum, in community. Enjoy four different local instructors in this free class open to all levels of yoga experience. Bring your own mat/props. We recommend placing a towel under your mat to help keep it dry.
Music in the Arboretum
August 2027
Music in the Arboretum
August 2027
Spend a special evening at the Arboretum! Experience music from beloved local musicians and relax amongst the trees. All ages welcome.
Arboretum Fall Plant Sale
September 2027
Arboretum Fall Plant Sale
September 2027
Fall is the best time for planting trees and shrubs in the Pacific Northwest—so you will not want to miss our annual fall sale. Hosted by the knowledgeable volunteers in our Pat Calvert Greenhouse and Cloney-Harris Nursery. All purchases benefit the Arboretum!