The OSU Plant Clinic is temporarily short-handed. Please expect a delay in getting your samples processed. We appreciate your patience!

About the Clinic

The Oregon State University Plant Clinic is a diagnostic facility associated with and based in the Department of Botany and Plant Pathology. The OSU Plant Clinic is part of the National Plant Diagnostic Network (NPDN), and is recognized as an expert laboratory for the Western Region of the NPDN. As such the Plant Clinic serves as a resource lab and conducts specialized tests for Oregon, Washington, Idaho, and Alaska. We offer fee-based plant disease diagnostic services and specialized identification services. We also house the OSU Insect ID Clinic, which provides a free insect identification service.

PNW Plant Disease Management Handbook

The PNW Plant Disease Management Handbook is intended as a ready reference guide to the control and management tactics for the more important plant diseases in the Pacific Northwest.

View the Handbook