Washington Park - International Rose Test Garden
Test garden in Washington Park with more than 10,000 rose bushes, blooming late May to October. Open 5am to 10pm; parking in the park is paid.
Arboretum · Portland, OR
A 190-acre tree collection in Washington Park with 12 miles of trails. Grounds open daily at no charge; parking is paid.

See admission details
4000 SW Fairview Blvd, Portland, OR 97221
Check the date you plan to visit. No live opening status.
Checked September 29, 2026 · Official visitor source · Hours source
For a future visit, confirm the date, ticket availability and special-event exceptions with the garden.
Independent advertising.
Not a garden recommendation.
Trails are a mix of paved, packed dirt and gravel with some stairs. The Visitor Center is reachable by stairs or a ramp; accessible parking is available.
Official visitor information