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Coronavirus COVID-19

COVID-19 Advisory: WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, postponed, or canceled. Effective March 16, 2020, WSU Extension county offices and WSU Research & Extension Centers will be closed to the public. We are available via email, phone, and webconference.

Master Gardener

If you have plant, tree, or garden questions, please contact the office.
(509) 397-6290
Hours: M-F 8 am- 4 pm


Flower Gardening Almanac

Vegetable Gardening Almanac

Soil and pest management almanac

Plant intake and diagnosis Forms

Insect ID Form

Weed or Plant ID Form

Lawn and Turf Problems Form

Preparing Samples for Identification or Diagnosis

Helpful Links

Home Horticulture Training

Learn to be a better home gardener and steward of the environment this winter with Washington State University – Whitman County Extension’s new online Home Horticulture Training program.

Training focuses on a wide range of horticulture topics taught online by WSU faculty, staff, Master Gardeners, and other regional experts on Saturday mornings from 9 a.m. to noon starting Jan. 9 and continuing weekly through Apr. 24.

Training also includes access to WSU Extension’s online Master Gardener Training Modules and the extensive Master Gardener Manual.

Those wishing to earn a Certificate of Completion will need to participate in weekly online quizzes, a final, and attend most classes. Homework is expected to average 3-5 hours a week.  All training is open book and no memorization is expected.

Tuition for this extensive training program is $300 and requires a computer with internet access, an e-mail account, and a Zoom account. Registration opens Nov. 14.

For more information and to register, please click here


Washington State University and University of Idaho Extension Master Gardener Class Information

Washington State University and the University of Idaho Extensions are now accepting applications for the Master Gardener Program.  Topics for the master gardener program include yard, garden, small fruits, tree fruits, landscaping, and much more.

Adults in the Palouse Region interested in becoming a Master Gardener or taking Horticulture classes will have two opportunities starting in January 2022. This is offered through Asotin, Garfield, and Whitman Counties Extension in Washington and Nez Perce County Extension in Idaho.

The second opportunity is offered through Latah County Extension in Idaho.

To become a Master Gardener Volunteer, participants are expected to complete the classroom and module instruction (if applicable) and complete 40 hours of volunteer service in support of the program.  In addition, WSU Extension Master Gardeners will complete a background check and log their volunteer hours.

For more information about these Master Gardener opportunities contact:

Whitman County:

Janet Schmidt, Extension Director


Phone: 509-397-6290

Asotin & Garfield Counties     

Mark Heitstuman, Extension Director


Phone: 509-243-2009

Latah County

Ember Powell, Office/Program Coordinator


Phone: 208-883-2267

 Nez Perce County

Kathee Tifft, Extension Director


Phone: 208-799-3096

Asotin/Garfield/Nez Perce/Whitman County Documents 

Latah County Documents