These Washington resources support and provide information/classes for local gardeners.
The purpose of the Master Gardener Foundation of King County, a not-for-profit corporation, is to enhance and supplement the efforts of the Washington State University MASTER GARDENER program and its volunteers, and thereby to provide education and information on horticulture to the citizens of King County.
The WNPS mission is to promote the appreciation and conservation of Washington's native plants and their habitats through study, education, and advocacy.
The Tilth Alliance mission is to build an ecologically sound, economically viable and socially equitable food system
PlantAmnesty, established in 1987, is a 1000-member mock-militant nonprofit organization whose mission is to end the senseless torture and mutilation of trees and shrubs caused by mal-pruning.