Currently, the emerald ash borer has been found in trees only in Washington County, where a quarantine prohibits moving ash (Fraxinus) or fringe tree (Chionanthus) wood in or out of the area.
While relatively healthy, forests in western Oregon face threats from climate stress, insects and disease. Here's a look at forest management strategies to cope with those threats and keep the state's forests healthy.
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.
This is a bilingual publication (English and Spanish) for landscape workers and the public to help them protect Oregon birch trees from this damaging pest. Includes insect identification, host plants, signs and ...
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
Reishi mushrooms are prized for stress-fighting properties. This in-demand crop grows naturally in Oregon forests, and you can grow them yourself with a fruiting block or inoculated logs. Learn how!