Columbia County

Welcome to the Columbia County Master Gardeners!

Learn more about the programs we have to offer in our county.

Image of WSU Extension Columbia County logo.

Our Program

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 Columbia.ext@wsu.edu or give us a call at 509-382-4741. We will do our best to help you!