Russian thistle thrives in the dry climate of eastern Oregon and Washington and if left unchecked develops an extensive root system that competes with wheat for water and nutrients.
Asparagus, beets, carrots and summer squash are some of the vegetables you can grow along the coast. Learn what to watch out for in a region known for cooler temperatures.
Although grain crops bring in less revenue than vegetables or fruit, they can become an important part of a farming enterprise. Grains are less labor-intensive and can be grown when fields need a rest.
Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.
Brooke Edmunds, Lauren Grand, Alicia Christiansen, Andy Hulting |
Nov 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
Discusses identification, life cycle, monitoring, action thresholds, biological control, organic controls, and chemical controls. Includes color photos for identification.
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.
This report includes preliminary data for the second of a three-year study. Since this year was a record drought year, results could vary from a normal rainfall year. Finalized data and observations will be released in future as peer-reviewed studies, reports, and extension articles. For more information, please visit the RDFA project page.