Master Gardeners

Become a Master Gardener. We would love to have you join us! Successful applicants have a strong volunteer ethic and experience in community service. Your volunteer experience need not be in the area of horticulture. Classes are held at the Center for Urban Horticulture (CUH) on the University of Washington campus. Check the website for details.

WSU Master Gardener Program. This program is dedicated to facilitating excellence in volunteers through education, life-long learning, and professionalism of coordinators and volunteers.


Visit the King County Master Gardener gardens: demonstration, youth, outreach and community gardens. To find a garden near you, consult the Map to King County Clinics & Gardens.

Demonstration Gardens.  See firsthand the types of plants that grow well in our area, and learn recommended planting practices and overall garden care.

Public Gardens, Arboreta, and Herbaria. (Miller Library)

Need help with your garden question? Answers are as close as your computer.  Ask a Master Gardener.

Plant Clinics

King County Master Gardeners work as volunteer community educators at clinics in the area to empower citizens to incorporate sustainable horticultural practices that help to conserve our natural resources. To find a clinic near you, consult the Map to King County Clinics & Gardens.  The most current schedule that shows clinics, locations and hours of operation. Here is the 2017 Clinics Schedule.

Gardening Fact Sheets and Handbooks for PNW Gardening

  • Gardening Tip Sheets – lists of websites and publications that offer general gardening information for home gardeners in the Puget Sound area. Lists and Tip Sheets updated in 2017.
  • WSU Hortsense. A compilation of fact sheets for managing common landscape and garden plant problems.
  • WSU Pestsense. A compilation of fact sheets for managing common indoor pest problems.
  • WSU Gardening Fact Sheets – WSU Fact Sheets by topic for gardening in Washington State.
  • OSU Gardening Fact Sheets – Fact Sheets compiled by the OSU Plant Clinic that has been operational since 1954 and part of the National Plant Diagnostic Network (NPDN).
  • Pacific Northwest Pest Management Handbooks. These handbooks and online access to information provided by Central Oregon Agricultural Research Center provide a ready-reference to current information about weeds and insects.

Kid Gardening


There are several newsletters provided for the benefit of King County Master Gardeners. The public may find some of the articles of interest. Issues include Heads Up, published by the King County Diagnostic Lab, and The Connection, published by the MG Foundation of King County.

Ellen A’Key Memorial Grant Program

Pacific Northwest Blogs

Gardens, Clubs, and Societies

Other Resources

PNW Vegetable Extension Group. Assist with diagnoses of vegetable diseases, pests, and other problems, publishing new information about vegetable pathogens, pests and other problems; and their biology and management.

Fun Resources

Updated August 2017

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