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 omnivorous leaftier has a wide host range and is known to cause damage to species from more than 20 plant families. Native parasitoid wasps manage this pest in natural and cropland settings. The first ...
Navneet Kaur, Leonard Coop, Jessica Green, Bill Gerth, Nicole Anderson, Glenn Fisher |
Aug 2020 |
Extension Catalog publicationPeer reviewed (Orange level)
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.
Oct 2020 |
Article
Credit: RICHARD - stock.adobe.com (Cropped from original)
Large flies buzz and annoy, clustering together around windows and knocking into lampshades. These are cluster flies — noisy but harmless flies that enter homes through cracks and gaps.
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.
Cereal cyst nematodes reduce yields of wheat, barley, and oats in the Pacific Northwest states of Idaho, Oregon, and Washington. It is estimated that these pests reduce wheat profitability in these states by at ...