Oregon State University Plant Clinic

About the Plant Clinic

The Oregon State University Plant Clinic is a resource for the identification of plant problems caused by insects and other arthropods, diseases, and non-pathogenic conditions. It is also the designated NPDN resource laboratory for Oregon, Washington, Idaho and Alaska.

Directions to the Plant Clinic and Hours of Operation

Plant Disease Sample Form

Download and print this form if you wish to send a plant sample in for disease diagnosis. You will need Adobe Acrobat.
For information on plant diseases that occur in Oregon see "PNW Plant Disease Management Handbook"

Insect Identification Sample Form

Download, complete and print this form if you have an insect, spider, or other insect-like creature you would like to have identified.You will need Adobe Acrobat.

Sample Fees

Fees are charged to partially offset the cost of disease diagnosis. There are currently no fees for insect identifications.

Contact Information