Organizations
National Trust for Historic PreservationNorthwest Horticultural Society
Pacific Northwest Garden Conservancy Forum
Other Resources
Alaska-Yukon-Pacific ExpositionCenter for Urban Horticulture
Ciscoe Morris
History Link
National Register of Historic Places
Pacific Horticulture
Rainyside Gardeners
Seattle Plant Exchange
Blogs
Box Turtle Design (Eric Shalit)Valerie Easton
Garden Mentors
Shed Style (Debra Prinzing)