A guide for homeowners, small woodland owners, resource managers, and conservation groups to recognize, prevent, and manage Sudden Oak Death. This publication can be downloaded in two different formats. The "PDF" ...
Norma Kline, Sarah Navarro, David C. Shaw |
Oct 2018 |
Extension Catalog publicationPeer reviewed (Orange level)
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
Oregon ash grows along the streams and wetlands of western Oregon and Northern California, where it provides important wildlife habitat. But these trees are threatened by the emerald ash borer, an insect pest that...
David C. Shaw, Jay W. Pscheidt, Alexander Gorman |
Jan 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo: Oregon State University (Cropped from original)
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.
Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs |
Aug 2011 |
Article
The category of Old Roses remains one of the most misunderstood and confusing. Nurseries may call a plant an "antique rose" or an "old garden rose," but the rose may not truly be an Old Garden Rose.