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Washington State University

Master Gardeners of King County

Program Contact: Sarah Moore, KCMG Program Coordinator
206-543-0943 •

The WSU Extension King County Master Gardener program provides a multitude of resources for home gardeners. This gardening information is available to the public and is

  • research-based and
  • focused on environmentally friendly and sustainable gardening practices

Explore this page and our website for more resources and FREE information available to the home gardener from the Master Gardeners of King County.


Educational Resources

Variety of vegetables
Growing Groceries Gardening Classes
The Growing Groceries class topics range from favorites like tomatoes and small fruit to seed starting, weeds, water and pest management. Classes will be held on select Wednesday evenings 7:00 – 9:00 p.m., January through June via Zoom. Registration is open for these classes.

Annual border at the Bellevue Demo Garden
Bellevue Demo Garden Saturday Workshops
Topic include new plants and methods as well as current science-based research and techniques for the Pacific Northwest gardener. Saturdays at 9:30 to 10:30 a.m. starting in January via Zoom. Registration is open for these workshops.

Gardener with a box of assorted colorful vegetables
King County Master Gardeners Speakers Bureau
Would you like to schedule a Washington State University Extension Master Gardener to speak to your gardening club or other group? WSU Master Gardeners do presentations on a variety of gardening topics as part of their mission to empower and sustain diverse communities with relevant, unbiased, research-based horticulture and environmental stewardship education.

Children & Youth Gardening

More Complex Gardening and Nature Activities for Children and Youth
Find downloadable lessons on spiders, leaves, rain, pinecones, bees, seeds, flowers and other subjects about gardening and nature!

bird nest with three blue eggs
Simple Gardening and Nature Activities for Children and Youth
Bug Races, Scavenger Hunts, Tape Bracelets and more. Activity sheets to download.

Ask A Master Gardener

Ask A Master Gardener graphic
Email Clinic
Master Gardener Email Clinic – Gardening Questions? Extension Master Gardener volunteers are working remotely to respond to your questions. Send your gardening questions along with photos to See our page for more information about how to share your plant questions and photos.

Gardening Tip Sheets

Tulips in many colors
Gardening Tip Sheets
Our gardening tip sheets provide information on a wide range of topics specific to gardening in King County and are available for download, free. Check out all of our tip sheets

Master Gardener teaching girl to garden
Climate Friendly Gardening – Tip Sheet #14
Gardeners can help reverse the accumulation of heat-trapping gases by growing plants and building healthy soils. Find out how.

Demonstration Gardens

Soos Creek Botanical Garden and Heritage Center
Demonstration Gardens
In each of these demonstration gardens, the community can see firsthand the types of plants that grow well in our area and learn recommended planting practices and overall garden care.

Become A Master Gardener

Asian woman clipping a pink rose
How to Become A Master Gardener
The application window for the 2023 class closed October 31, 2022. Applications for the 2024 class will open in September 2023. Visit the Become a Master Gardener page for information about joining the WSU Extension Master Gardener Program in King County.




Feature image by Jeswin Thomas. Small image of hellebore by Alicja.


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Spring tulips

Gardening Classes

Many of our education classes are now available online. Check for information at Bellevue Demo Garden workshops, the Growing Groceries classes and other KCMG Education activities on the Foundation website.

Clinics and Gardens

Find the locations for the King County Clinics and Gardens and hours of operation when you may connect with Master Gardeners. Master Gardeners are available to respond to your questions year-round through our Email Clinic.

Master Gardener Foundation of King County

The Foundation is a 501(c)(3) nonprofit which raises funds for the financial support of the WSU Extension Master Gardener program in King County. These funds help the program meet its mission to provide research-based education about urban horticulture and sustainable gardening to the residents of King County. The Foundation website,, publishes information about fundraising activities, resources, newsletters, educational opportunities, plant sales and Foundation-related information.