Restore the park, nurture pollinators, explore nature! 

Visit the Arboretum on Saturday, April 19, from 9am to 1pm for a meaningful day of hands-on conservation!

Volunteers (ages 15+) will restore and enhance this treasured green space by removing invasive weeds from planting beds and natural areas. Sign up on Bloomerang.

Support native bees by building a pollinator hotel (kid-friendly activity). Visit the UW Botanic Gardens discovery cart for hands-on learning and fun facts about the tiny creatures that power our ecosystems. Ask a Master Gardener how to create pollinator-friendly habitats at home. Learn about the Arboretum’s “no mow meadows” and how they help birds, bees, and butterflies thrive.

Take time to explore 230 acres of gardens, trails, and natural areas. The Arboretum in April is a floral paradise, abuzz with busy pollinators.

Full details: arboretumfoundation.org/events/earth-day

The Arboretum Foundation is hosting its annual Botanical Bash at the Northwest Flower and Garden Festival on Friday, February 21, from 8:30 to 11 p.m.

Guests will be immersed in an illuminated nocturnal garden-scape, enjoying beautiful flowers after hours!

Sip botanically infused cocktails with friends, dance the winter blues away with DJ Marco Collins, and take part in an auction, sign-up experiences, and raffle—all to benefit the Washington Park Arboretum!

General entry is $50. VIP tickets are $250 and include two drinks, nibbles and desserts, access to the VIP Lounge, and complimentary parking at the Seattle Convention Center.

For more details and tickets, visit arboretumfoundation.org/events/botanical-bash or call 206-325-4510 (Monday to Friday, 9 a.m. to 5 p.m.).

Proceeds from the Botanical Bash fund the stewardship of the Arboretum’s world-class plant collection, as well as core science education and volunteer programs.

Don’t miss Washington Park Arboretum’s beloved annual holiday sale, Gifts & Greens Galore! It features a great selection of botanical decorations and nature-inspired gifts, including many local, seasonal specialty items.

Shop for everyone on your list, while helping support tree care, environmental education, and volunteerism at the park.

The sale runs over two days: Saturday, December 7 and Sunday, December 8, from 10 a.m. to 4 p.m. The sale’s very popular handcrafted wreaths usually sell out quickly on Saturday!

Free admission and parking!

FULL DETAILS: arboretumfoundation.org/events/gifts-greens-galore

Enjoy a FREE, live outdoor concert among the trees at Washington Park Arboretum on Wednesday, August 14, from 6 to 8 p.m. – plus free ice cream, while supplies last!

Adrian Xavier blends solid reggae dub sounds into genre-bending projects, creating music that inspires listeners of all tastes.

His performance is part of the Arboretum@90 event series. Come celebrate the 90th birthday of this treasured park and plant collection with complimentary music and a sweet treat!

All ages welcome! The performance will take place at the Graham Visitors Center. Some seating will be provided, but feel free to bring your own folding chair.

FULL DETAILS: arboretumfoundation.org/events/music-in-the-arboretum

Come to Crabapple Meadow in Washington Park Arboretum on Friday, June 28, from noon to 1 p.m., to enjoy a FREE, live, lunchtime performance of classical music by the Seattle Chamber Music Society – on stage in their Concert Truck.

Listen to works by Gabriel Fauré, Maurice Ravel, Clara Schumann, Florence Price, and more.

As part of the Arboretum’s year-long 90th birthday celebration series, the event will also feature a cupcake giveaway, free tram rides around the Loop Trail, a scavenger hunt, and more.

Bring your own picnic blanket or folding chair!

Full details: arboretumfoundation.org/events/concert-truck

On Saturday, April 20, the Arboretum Foundation, UW Botanic Gardens, and Seattle Parks and Recreation will co-host their annual Earth Day community work-service event at the Arboretum.

From 9 a.m. to 12:30 p.m., volunteers will help restore the park by removing invasive ivy and blackberry in natural areas, and by mulching and weeding the plant collections!

Please join the restoration effort! You must be 15 years or older to participate! Pre-registration is required. Volunteer here.

To celebrate the Arboretum’s 90th birthday this year, all volunteers will receive a complimentary cupcake!

Then in the afternoon, the Arboretum partners will host some free 90th-birthday activities for all, including hop-on, hop-off tram rides around the Loop Trail (2 to 4 p.m.) and a pollinator education station at the Graham Visitors Center (noon to 4 p.m.) — and more free cupcakes!

See the Earth Day at the Arboretum event page for full details.

The Arboretum’s beloved annual spring plant sale returns on Sunday, April 14, from 10 a.m. to 2 p.m. Hosted by the wonderful volunteers at the Arboretum’s on-site Cloney-Harris Plant Nursery and Pat Calvert Greenhouse, it features a unique selection of perennials, shrubs, and young trees.

Come see the stunning cherries and dogwoods blooming along Azalea Way, then stop in at the sale to find beautiful plants for your own garden! All sales benefit core environmental education, tree care, and volunteer programs at the Arboretum.

FREE ADMISSION & PARKING

Full details: https://arboretumfoundation.org/events/spring-plant-sale/

The Arboretum Foundation’s beloved annual holiday sale, Gifts & Greens Galore, returns to the Graham Visitors Center on Saturday, December 2, and Sunday, December 3, from 10 a.m. to 4 p.m.

It features a great selection of botanical decorations and nature-inspired gifts, including many local, seasonal specialty items. You’ll find everything from handcrafted wreaths and whimsical tree ornaments to botanical jewelry and locally sourced honey.

Shop for everyone on your list, while helping support tree care, environmental education, and volunteerism at the Washington Park Arboretum.