When a heatwave hits, plants may show the impact. Learn the signs of heat stress in plants and how to help them weather a heatwave with best practices for watering, mulching, shading, providing humidity and weeding.
The June 2021 heat wave caused significant damage to trees in Oregon. Learn some key findings on causes, types of damage, physiological "thermotolerance" of trees, and possible forest management implications.
Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.
Judy Kowalski |
Oct 2021 |
Article
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.
Horseradish is well known for its pungency and the zip it adds to food. It can be grown at home but requires cold temperatures in the fall and winter. Here's a guide to growing horseradish and how to preserve it.
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
Photo: Rebecca Utrup Marcotte (Cropped from original)
Extreme summer heat can pose a danger to bees. Although bees have ways to keep cool, many gardeners put out shallow trays of water and pebbles to help them. Does that help? Here's what the science says.