Non-profit greenspace located two miles from downtown Portland. Among the tree collections, the magnolias and conifers are especially renowned. Offers nature-focused instruction, and information about events and volunteering.

Authentic Japanese garden in Portland's West hills, whose areas include a strolling pond garden, a tea garden, and a sand and stone garden. Description and photos, and information about visiting and events.

The official site for the Garden of Awakening Orchids, a traditional Chinese garden built in the heart of Portland.

Recreation and nature park in Eugene. Includes trail maps, festival and event listings, history and outdoor education programs.

Attraction in historic Silverton, featuring water features, garden art, wetlands, a rediscovery forest, a kids' garden, and a house designed by Frank Lloyd Wright. Photos, news, information about events and classes.

Includes rose and rhododendron gardens, a memory garden, Leach Botanical Garden, and community gardens. Photos, descriptions, visiting information, and event schedules.

Collection housed in a garden and greenhouse, embracing both species and cultivars. General information, history and mission.