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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.

Plant Clinic and Resource Center

Program Contact: Master Gardener Plant Clinic
(509) 477-2181 •

Gardening Questions?

The WSU Master Gardener Plant Clinic and Resource Center is open March 1, through October 31, each year:

Master Gardener Volunteers and Extension Staff are here to assist you with your gardening questions and to offer research-based information to help you.

The Plant Clinic and Resource Center also has books, fact sheets, and publications on plant identification, pests and diseases, weeds, landscape trees and shrubs, perennials, grasses and ground-covers, native plants, greenhouses, plant propagation and many other horticultural topics.

How to Contact Us:

By telephone: (509) 477-2181 or by email:

Monday through Thursday 9 am – 3 pm
Friday 9 am – 1 pm

Plant intake and diagnosis Forms


How to Prepare Samples

Insect ID Form

Weed or Plant ID Form

Lawn and Turf Problems Form

Plant Problems Form


Jackie Sykes
Plant Clinic Coordinator

Tim Kohlhauff:
Urban Horticulture &
Master Gardener Coordinator