Various views of what Master Gardeners do to promote program priorities.
Cultivating plants, people, and communities since 1973
Support the Master Gardener Program

Washington State University
Master Gardener Program

We are your neighbors and members of your communities. Our Programs and Priorities inform our efforts to shape healthy communities and a healthy planet. We are actively engaged in teaching research-based gardening and environmental stewardship practices.

In 2023 we celebrated our 50th anniversary. Read more about how it all started at WSU.
50 years, 50 states | Washington State Magazine | Washington State University (


Come see the WSU Extension Master Gardeners at the 2024 Northwest Flower & Garden Festival, through Sunday, February 18 in Seattle!
Official Northwest Flower & Garden Festival | February 14-18, 2024 | Seattle, WA (

Master gardeners at garden show.

Group of master gardeners at Mount Vernon event.

Our Programs

Since 1973, Master Gardeners have been developing Programs to address the evolving needs of our communities.

Learn more about our programs.
Group of master gardeners at Mount Vernon event.

Join us!

When you become a WSU Extension Master Gardener volunteer you meet people with similar interests, learn research-based gardening practices and serve your community.

Learn how to become a Master Gardener.
Yellow aphids on a plant milkweed stem.

Garden Resources and Techniques

Hortsense is a compilation of fact sheets for managing common landscape and garden plant problems.

Pestsense fact sheets outline IPM strategies including cultural, mechanical, biological, and chemical methods.

Gardening in Washington State is a collection of peer-reviewed gardening publications.

General Gardening, WSU Extension provides a selection of downloadable gardening publications.

The USDA Hardiness Zone Map is the standard by which gardeners can determine which plants are most likely to thrive at a location.


Subscribe to the new WSU Master Gardener podcast!

The Evergreen Thumb Podcast is brought to you by Washington State University Extension Master Gardener program volunteers and sponsored by the Master Gardener Foundation of Washington State.

Join us as we invite expert horticulturists, seasoned Master Gardeners, and passionate plant enthusiasts to share their wisdom, practical tips, and hands-on experiences. We’ll cover everything from plant selection and care, sustainable gardening practices, organic pest control, and landscaping design to tackling common challenges specific to our region.

Image of hand watering seedling as it grows.

Help advance the mission

You will support a greener, healthier Washington when you give to the WSU Extension Master Gardener Program Endowment.

The WSU Extension Master Gardener Program is raising money to establish the first ever faculty chair fully dedicated to the WSU Extension Master Gardener Program.


Our Advanced Education Conference is going virtual in 2024!

Gardening in a Changing Climate
September 27-28, 2024

Don’t miss the Virtual WSU Extension Master Gardener Program Advanced Education Conference 2024!

Presented by the WSU Extension Master Gardener Program and is sponsored by the Master Gardener Foundation of Washington State.

Throughout this site there are links to documents of various file types.
Please contact our Statewide Program Leader if you require this information in a different format.