Portland Parks and Recreation - Includes rose and rhododendron gardens, a memory garden, Leach Botanical Garden, and community gardens. Site includes photos, descriptions, visiting information, and event schedules. - http://www.portlandonline.com/parks/
Mount Pisgah Arboretum - Recreation and nature park in Eugene. Includes trail maps, festival and event listings, history and outdoor education programs. - http://www.efn.org/~mtpisgah/
Portland Classical Chinese Garden - Lan Su Yuan - The official site for the Garden of Awakening Orchids, a traditional Chinese garden built in the heart of Portland. - http://www.portlandchinesegarden.org
The Japanese Garden - 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. - http://www.japanesegarden.com/
The Berry Botanic Garden - This garden in Portland showcases and conserves plants from the U.S. Northwest and from around the world. Among its features are a large rock garden, uncommon trees, and collections of primulas and rhododendrons. Information about education, conservation, - http://www.berrybot.org/
The Oregon Garden - 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. - http://www.oregongarden.org/
Hoyt Arboretum - 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. - http://www.hoytarboretum.org/