Volunteer
Volunteering is a great way to meet new friends, earn community service credits, protect your local environment, increase your knowledge of plants and trees, and help maintain and enhance one of the Pacific Northwest’s great treasures: Washington Park Arboretum.
Volunteer Opportunities Include:
- Helping your community maintain the grounds and plant collections in the Washington Park Arboretum by participating in weeding parties and other activities. A great way to protect the environment!
- Assisting with special projects and events such as the creation of our display garden at the Northwest Flower & Garden Show or participation in plant sales such as our annual FlorAbundance in spring. Cashiers, setup and cleanup volunteers, and hold area attendants, as well as other section volunteers are always in demand.
- Joining the Pat Calvert Greenhouse volunteers for propagation, potting, sales, and maintenance. Tuesdays and Thursdays, 10 a.m. to noon. Plant sales on Tuesdays and the second Saturday of the month.
- Increasing your knowledge of horticulture while potting and caring for plants donated by Arboretum members and the public. The Plant Donations Nursery operates March through October on Wednesdays, 10 a.m. to 2 p.m. Plant sales are held on Wednesdays and the second Saturday of the month.
- Working in the Arboretum Shop. Shifts are available from 9:30 a.m. to 4:30 p.m. 7 days a week. Training sessions and Arboretum Foundation membership required.
- Assisting with general office duties in the Arboretum Foundation office. Monday – Friday from 10 a.m. to 4 p.m.
- Join an Arboretum Foundation Unit. Units are neighborhood-based groups supporting the Arboretum Foundation through volunteer activities, fundraising activities and more.
- Photographers and writers always needed!
Contact us at 206-325-4510 or info@arboretumfoundation.org for more information. Complete an online volunteer registration here.

