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Washington Park Arboretum — Azalea Way

Washington · Est. 1934

Washington Park Arboretum

A 230-acre sanctuary of diverse plant collections and scenic trails in the heart of Seattle.

Founded

1934

Size

230 acres

Hardiness Zone

USDA Zone 8b

Best Season

April to May for spring blooms, and October to November for fall foliage.

About Washington Park Arboretum

The Washington Park Arboretum is a 230-acre botanical garden jointly managed by the University of Washington and the City of Seattle. It features a world-class collection of woody plants, including rare and endangered species from around the globe. The arboretum serves as a living museum, offering educational programs, conservation efforts, and a tranquil retreat for nature enthusiasts.

History & Heritage

Established in 1934, the Washington Park Arboretum was designed by the renowned Olmsted Brothers landscape architecture firm. The site was originally a logged-over area and a former horse racing track before being transformed into a botanical garden. Over the decades, it has grown to house thousands of plant species and remains a significant horticultural and historical landmark in the Pacific Northwest.

Signature Feature

Azalea Way

Azalea Way is a 3/4-mile pedestrian path that serves as the historic centerpiece of the arboretum. Developed in the late 1930s, it bursts into vibrant colors each spring with thousands of blooming azaleas, rhododendrons, and flowering cherries. The picturesque trail offers a stunning floral display and is a favorite destination for visitors and photographers.

Photo Gallery

Vibrant spring blooms along Azalea Way.

Vibrant spring blooms along Azalea Way.

Tranquil scenery in the Japanese Garden.

Tranquil scenery in the Japanese Garden.

Lush greenery and diverse tree collections.

Lush greenery and diverse tree collections.

Notable Collections

Japanese Garden

A 3.5-acre traditional Japanese stroll garden featuring authentic landscaping, water features, and a teahouse.

Pacific Connections Garden

Showcases plants from five Pacific Rim regions: Cascadia, Chile, China, New Zealand, and Australia.

Joseph A. Witt Winter Garden

Highlights plants with striking winter interest, including fragrant flowers, colorful bark, and unique foliage.

Woodland Garden

Features one of the largest collections of Japanese maples in North America, offering spectacular autumn colors.

Plan Before You Go

Hours, Parking & Accessibility

Hours & Seasonal Timing

Open daily from dawn to 8:00 PM.

Best seasonal window: April to May for spring blooms, and October to November for fall foliage.

Parking & Arrival

Free parking available at the Graham Visitors Center and various lots throughout the park.

Check the official visit page for event-day parking changes and arrival instructions.

Accessibility

Many main paths, including the Arboretum Loop Trail, are paved and wheelchair accessible.

Contact the garden before visiting to discuss route conditions, mobility equipment, or support needs.

Visitor details are reviewed from the garden's public information and were last checked May 2026. Policies, prices, and route conditions can change; confirm final arrangements directly with the garden.

Recognition & Awards

  • Recognized as a Level IV Arboretum by the ArbNet Arboretum Accreditation Program
  • Recipient of the American Public Gardens Association Award for Program Excellence

Editorial Standards

This profile was prepared by the BotanicalGardens.blog editorial research desk using official garden pages and other named sources where available. Hours, admission, and access details can change; confirm them with the garden before a special trip. This profile was last reviewed May 2026. If you notice an inaccuracy, please contact us.

Plan Your Visit

April to May for spring blooms, and October to November for fall foliage.

Address

2300 Arboretum Drive E, Seattle, WA 98112

Phone

(206) 543-8800

Hours

Open daily from dawn to 8:00 PM.

Admission

Free admission to the main arboretum; fee required for the Japanese Garden.

Parking

Free parking available at the Graham Visitors Center and various lots throughout the park.

Accessibility

Many main paths, including the Arboretum Loop Trail, are paved and wheelchair accessible.

Insider Tips

  • 1Stop by the Graham Visitors Center for maps and current trail information.
  • 2Wear comfortable walking shoes as the terrain can be uneven on unpaved trails.
  • 3Bring a camera to capture the stunning seasonal displays, especially along Azalea Way.
  • 4Consider booking a guided tour to learn more about the diverse plant collections.

Nearby Attractions

  • Seattle Japanese Garden (0.1 miles)
  • Museum of History & Industry (MOHAI) (2.5 miles)
  • Pike Place Market (3.5 miles)

For an overnight visit, compare options around the garden address and choose the route, accessibility features, and cancellation terms that fit your plans.

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