Discusses three major types of madrone diseases--foliage, branch dieback and trunk canker, and root--and ways to minimize and manage. Discusses insect pests of madrone: fall webworm, western tent caterpillar, aphids, and leaf miners. Color photos. Sources of further information.
Gives basic facts about a serious plant disease called Sudden Oak Death, caused by the pathogen Phytophthora ramorum. Describes risk of disease to forest health and to commercial nursery industry. Shows disease ...
Fall and winter flowers add cheer in the Pacific Northwest's rainy season. Flowering shrubs are also a boost to pollinators, providing nectar and pollen when little is available. Learn what shrubs and trees to plant now to brighten your garden in the months to come.
Neil Bell, Heather Stoven, Andony Melathopoulos |
Mar 2020 |
Extension Catalog publicationPeer reviewed (Orange level)
A codling moth goes through several stages in its life cycle. If you're trying to prevent damage to apples and other fruit, it helps to know when adults and larvae are active.
This study quantifies the economic effects of agritourism on Willamette Valley farms and communities. In surveys, farmers reported earning about 50% of their revenue from agritourism.
Bruce Sorte, Melissa Fery, Audrey Comerford |
Feb 2024 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo: Oregon State University (Cropped from original)
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
Jun 2010 |
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.
The category of Old Roses remains one of the most misunderstood and confusing. Nurseries may call a plant an "antique rose" or an "old garden rose," but the rose may not truly be an Old Garden Rose.