Organic pesticides are usually considered as those pesticides that come from natural sources. They are usually minimally processed. These natural sources are usually plants or minerals. There are also microbial pesticides.
Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.
Brooke Edmunds, Lauren Grand, Alicia Christiansen, Andy Hulting |
Nov 2022 |
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.
Discusses important fruit characteristics to consider when choosing peach and nectarine varieties. Lists currently available varieties, including descriptions of fruit size, color, flavor, texture, and ripening date.
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.
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.
Q: I dug a 12-year-old Japanese Maple tree from the Washougal, Washington area in the snow and took it to Sherwood Oregon. I transplanted it in a brown and grey clay soil mixed with a 3-way soil mix (topsoil, sand and ...