Washington State University

Plant Clinic


About Us
The Washington State University Puyallup Plant & Insect Diagnostic Laboratory is committed to helping the citizens of Washington State resolve their troubles with plants and insects through accurate problem diagnoses.
We also provide applicable management options to a numerous state clientele like commercial growers, pest control operators, home gardeners, consultants, county agents, Master Gardeners, and research personnel.

The laboratory is currently equipped to handle samples from Washington State, particularly western Washington State, and not from other areas of the country. To achieve an accurate diagnosis of the problems, samples should be accompanied by detailed information about the problem. Go to How to Submit a Sample for additional information. Please note that services will not be provided without payment of diagnostic fees.


WSU Puyallup

The WSU Puyallup Plant & Insect Diagnostic Laboratory serves the western portion of the state and also evaluates turfgrass statewide.

Contact: Jenny Glass, Diagnostic Plant Pathologist
WSU Puyallup Research and Extension Center
2606 West Pioneer
Puyallup, WA 98371-4998
Tel: (253) 445-4582.
Get Map and Directions
Plant Clinic Links...

Please Note:  We cannot accept cannabis samples due to WSU compliance with federal policy.


Please Note: The WSU Puyallup Plant and Insect Diagnostic Laboratory will be temporarily closed from October 27-November 24.

Puyallup Research and Extension Center, 2606 West Pioneer, Puyallup WA 98371-4900, 253-445-4500, Contact Us