Washington State University operates two Plant Pest Diagnostic Clinics, in Puyallup and in Pullman. Services of either clinic are available to clients statewide; however, the Puyallup Clinic
generally handles samples from western Washington, while samples from eastern Washington are usually submitted to service
. Both Clinics offer diagnosis of plant diseases and disorders, insect and arthropod identification, and plant/weed identification. Identifications and diagnoses are accompanied by management recommendations when appropriate. Services provided by the WSU diagnosticians are service
. The WSU Clinics are able to process samples from Washington State, and can now accept out-of-state samples from the contiguous US.
For a listing of Clinics in other states, see Other Diagnostics Resources