11 gardens in Oregon checked against official websites: 4 botanical gardens, 4 display gardens, 3 arboretums. Most are listed in or near Portland, Eugene, Yachats. 4 list free general entry and 4 charge admission; the rest are unrecorded or vary.Gardens near Portland Gardens near Salem
Admission and hours checked September 28, 2026. Prices may change.
A street-tree arboretum in the median and planting strips of NE Ainsworth Street in Portland. Visitors walk it from the sidewalk; a map and seasonal walking routes are online.
A nine-acre city garden in Portland with rhododendrons, azaleas and companion trees around a spring-fed lake. Open daily with shorter Wednesday hours; the gate locks at 5:30pm.
A wooded coastal plant collection in Yachats with rhododendrons, magnolias and camellias. A public footpath crosses it dawn to dusk; the preserve itself needs an appointment.
Eugene city park of about 80 acres with a rhododendron garden, a native plant garden and forest trails. The rhododendron garden bars pets, sports and group events.
A 190-acre tree collection in Washington Park with 12 miles of trails. Grounds open daily at no charge; parking is paid.
A walled Chinese garden in Portland's Old Town Chinatown with the Yun Shui Teahouse on site. Fall and winter hours are 10 AM to 4:30 PM daily.
A 16-acre garden of cultivated and natural areas in outer Southeast Portland. Open Thursday to Sunday; the garden closes early on extreme heat or poor air quality days.
A 209-acre nature area with trails and outdoor exhibits on Willamette Valley ecology. Entry is free; Lane County charges a $5 parking fee per vehicle.
A one-acre clematis collection at Luscher Farm in West Linn. Open daily with no entrance fee and free parking; the greenhouse is closed to the public.
A garden of more than 130 acres with specialty gardens in Silverton. Prices and hours change between the April to October and November to March seasons.
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.
These are gardens we could check against their own official websites, not every garden in the area. “Free” refers to general garden entry, not parking, tours or special events. We do not show live opening status.
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