All samples need to be sent to the address below due to changes in UPS package sorting procedures.
OSU Botany and Plant Pathology
Attn: Plant Clinic
Cordley Hall Rm 2503
2701 SW Campus Way
Corvallis, OR 97331
About the Clinic
We are a diagnostic facility that offers fee-based plant disease problem solving and specialized identification services. Home gardeners are encouraged to first consult with their local OSU County Extension office for free consultations on disease problems.
We also house the OSU Insect ID Clinic, a free insect identification service.
Our address:
OSU Botany Plant Clinic
Cordley Hall 2503
2701 SW Campus Way
Corvallis, OR 97331
The Plant Clinic is open Monday through Friday 8:00 - 4:00 p.m.
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.
Emerald Ash Borer
This brilliant green beetle will kill native and cultivated ash trees. Please be on the alert for dying ash trees, and if found, look for evidence of the beetle
(borer holes, adults, galleries under the bark).
For more information, please visit https://www.oregon.gov/odf/Documents/forestbenefits/fact-sheet-emerald-ash-borer.pdf
Photo: Eric R. Day, Virginia Polytechnic Institute and State University, Bugwood.org