Western Washington
The WSU Puyallup Plant & Insect Diagnostic Laboratory provides diagnostic assistance to citizens and businesses of western WA and supports the work of WSU Extension.
Plant Problem Diagnosis
In person: The Diagnostic Laboratory is open Monday through Friday from 8:00 am to 4:30 pm by appointment only.
Mail packages to:
Plant & Insect Diagnostic Laboratory, WSU Puyallup
2606 West Pioneer
Puyallup, WA 98371-4998
The starting sample fee is $40.00. Additional tests may increase the fee.
For further information on submitting samples from western Washington, please refer to our website:
https://puyallup.wsu.edu/plantclinic/
or contact:
Jenny Rebecca Glass, Plant Diagnostician
Tel. 253-445-4582
jennyglass@wsu.edu
Eastern Washington
The WSU Pullman Plant Pest Diagnostic Clinic provides plant problem diagnosis for Eastern Washington. The Pullman Plant Pest Diagnostic Clinic is open Monday - Friday from 8am - 5:00pm. The starting sample fee is $40.00. Additional tests may increase the fee. Please make checks payable to "Plant Pest Diagnostic Clinic."
More information can be found at the Clinic website at https://plantpath.wsu.edu/diagnostics/
Contact Information:
(509) 335-3292
For shipping via UPS/FedEx :
WSU Plant Pest Diagnostic Clinic
Department of Plant Pathology
410 Dairy Road
Pullman, WA 99164
For shipping via USPS:
WSU Plant Pest Diagnostic Clinic
Department of Plant Pathology
P.O. Box 646430
Pullman, WA 99164-6430
For information on submitting samples, please visit https://plantpath.wsu.edu/diagnostics/submit-a-sample/