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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.


Program Contact: WSU Extension Columbia County Gardening
(509) 382-4741 •

Got a Gardening Question?

You may bring your plant problems and questions to the Extension Office!  We are located at 137 East Main Street in Dayton Washington.  We can help with pest identification, plant diagnosis and  answer your gardening questions. If you cannot visit us, we can be reached by email at or give us a call at 509-382-4741. We will do our best to help you!