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.
Kym Pokorny |
Jul 28, 2023 |
News story
Photo by Linda McMahan, OSU (Cropped from original)
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.
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 ...
Selecting roses for landscape use may seem like an impossible task, but with a few key elements in mind, you can select a rose or a group of roses to complement your new or current landscape.
The Oregon Association of Conservation Districts (OACD) is a private, non-profit 501(c)(6) statewide membership organization that represents, supports and strengthens Oregon’s 45 Soil and Water Conservation Districts.
May 2018 |
Online resource
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.
Jun 2018 |
Article
Photo Credit: Whitney Cranshaw, Colorado State University, Bugwood.org (Cropped from original)
Q: I had an arborist out because one of my birch trees had died and needed removal. He said it was the bronze birch beetle and that it was beginning to affect a second birch. He said it could be treated with a ...