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.
Jun 2018 |
Article
Credit: Paul Maguire - stock.adobe.com (Cropped from original)
This publication is a guide for protecting, conserving, selecting, maintaining, removing, and replacing trees on development sites in the Pacific Northwest.
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.
Barbara McMullen |
May 2007 |
Article
Photo Credit: maxbelchenko - Adobe Stock (Cropped from original)
November gardening tasks include raking up leaves and debris and covering plants for the winter. November is also an ideal time for maintenance on lawnmowers and draining sprinkler systems. Learn more in this guide.
Discusses options for managing major insect pests and diseases of conifers in Oregon forests: bark beetles, wood borers, and ambrosia beetles; defoliators; aphids, adelgids, and scale insects; terminal and branch ...
Paul T. Oester, David C. Shaw, Gregory M. Filip |
Jan 2023 |
Extension Catalog publicationPeer reviewed (Orange level)