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
Credit: vintagepix - stock.adobe.com (Cropped from original)
Retaining walls are popular features in commercial and home landscaping projects. They can be self-installed, making them very cost efficient. The following is a do-it-yourself guide to installing a retaining wall using a designed block system.
When winter approaches, it’s time to check your weed control plans. Noxious weeds are best controlled if you track them carefully. Weed mapping and weed calendaring are two activities important to tracking weeds so that you can properly control them. Here are a few tips to get you started.
Shelby Filley |
Nov 2021 |
Article
Photo: Sheryl Costello, USDA Forest Service (Cropped from original)
You may have encountered white, segmented “worms” or grubs when chopping firewood and wondered what they were. Common questions include, did they kill my tree? And are they a danger to other trees? The quick answers are no, and no.
Jun 2018 |
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.
Controlling thrips (onion and western flower) is becoming increasingly difficult for commercial onion growers in the Treasure Valley. One of the problems is resistance to some of the commonly used insecticides. The objective of ...
Lynn Jensen |
Jul 2010 |
Article
Photo Credit: HDDA Photography, Adobe Stock (Cropped from original)
Q: I live in a forested area of Deschutes County. I think that deadfall (cut trunks laying on the forest floor) left to decompose improves the health of the forest, but I am wondering if it also increases fire risk.