Name: A to Z
Name: Z to A
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Price: High to Low
Moths are stunningly beautiful and prevalent insects in Washington State and, through this publication, identifying them becomes much easier. ...
This scale insect attacks a variety of hosts in Washington, including fruit trees, roses, and cherrylaurel hedges. Authors discuss biology and control of this pest. Homeowner products are listed.
Photographs and descriptions identify the white pine weevil, (
Pissodes strobi), which is also known as the Sitka spruce weevil. Found throughout the western states, t ...
Full color photos and descriptive text will help you identify disease and insect symptoms on these popular landscape plants.
Phosphorus (P) is an essential plant nutrient, but it is also a potential pollutant. Phosphorus fertilization helps maintain healthy lawns growing in P-deficient soils, but P runoff into lakes and st ...