Announcements
The Plant Clinic will be closed Thursday 12/25 - Sunday 01/04 for the winter holidays. We will resume regular operations on Monday 01/05/26. Samples must arrive by Monday 12/22 to be processed before closure.
We appreciate your understanding, and have a Happy Holidays!
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.
The Plant Clinic is open Monday through Friday 8:30 - 4:30 p.m.
We are closed for all University observed holidays. View all closures here: https://hr.oregonstate.edu/benefits/current-employees/time-holidays-prot...
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