What should you do if you find an ant or termite infestation? First, don't panic. Chances are the damage has been there awhile and a few more months isn't going to make any difference.
Invasive annual grasses are a threat to the Great Basin desert ecosystem. They compromise habitat diversity for important wildlife species such as the greater sage-grouse. They shorten the grazing season for ...
Fara Brummer, Peter Schreder, Grace Haskins, Jason Jaeger |
Feb 2018 |
Extension Catalog publicationPeer reviewed (Orange level)
Covers the history of yellow starthistle (Centaurea solstitialis L.) invasion of the Pacific Northwest and describes current infestation levels in Oregon and Washington. Provides basic information regarding yellow ...
Larry L. Larson, Roger Sheley, Michael McInnis, Gary Kiemnec |
Jan 2008 |
Extension Catalog publicationPeer reviewed (Orange level)
Russian olive trees are fast-growing plants that since the 1950s have become invasive throughout many areas of the Inland Pacific Northwest, particularly in riparian ecosystems. They form impenetrable masses, create ...
Many of the invasive plant species introduced to the United States originated as garden plants. Learn what you need to know to prevent future invasions.
Linda R. McMahan, Joy Jones, Robert Emanuel |
Jul 2011 |
Extension Catalog publicationPeer reviewed (Orange level)
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.
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.
Riparian zones — those transition areas between bodies of water and land — are rich ecosystems that benefit man and nature. They make up a small percentage of the landscape but their importance far exceeds their geographic...