The Arboretum is a welcome oasis on the shores of Lake Washington. Jointly managed by the University of Washington Botanic Gardens and the City of Seattle, its 230 acres contain a dynamic assortment of plants, some found nowhere else in the Northwest.

The Washington Park Arboretum holds a world class collection of woody plants that can be explored on your own, via group tours, or through classes and activities. All parts of the Washington Park Arboretum, with the exception of the Japanese Garden , are open to the public and are free of charge.

The Arboretum provides miles of trails for exploration and contemplation. Arboretum Drive runs the length of the Arboretum from the Graham Visitor Center to the Pacific Connections Gardens. The Lookout Loop and Pinetum Loop provide interpretation of the …

The Arboretum collections are displayed in a variety of thematic gardens, ranging from the ecogeographic gardens in the south end to seasonal gardens such as the Witt Winter Garden. Some collections are displayed by taxonomic group. Learn more about our plants.

Take a walk along historic Azalea Way, a 3/4 mile path through the heart of the Arboretum lined with flowering cherries, azaleas and dogwoods. Loderi Valley features large-leaved, fragrant rhododendrons sheltered by magnolias.

Arboretum: 2300 Arboretum Drive E Seattle, WA 98112 Center: 3501 NE 41st Street, Seattle, WA 98195. [email protected] | (206) 543-8616

The Arboretum is a hidden gem on the shores of Lake Washington. Its 230 acres hold a dynamic assortment of plants with plenty of walking trails and programs. Learn more

Set your own pace as you explore the Arboretum through a self-guided tour. Print out a trail map, listen to an audio tour, tour a specific garden, or check out a family activity from the Visitors Center.

The Graham Visitors Center (GVC) and Arboretum Gift Shop are open to the public Tuesday through Sunday, 10:00 a.m. – 4:00 p.m. Please note, due to limited staffing these hours are subject to change.

The Botanic Gardens was established in 2005 to unite the gardens and programs of the Washington Park Arboretum, founded in 1934, and the Center for Urban Horticulture, opened in 1984. The Gardens are located around the shoreline of Union Bay on Lake Washington.