With climate change, the USDA plant hardiness zones are shifting. For instance, the 2012 map zones changed in many areas by 5 degrees.
Sweet peas grow best when planted during the early spring in western Oregon and a little later in the higher elevation areas east of the Cascades.
Knowledge is everything when it comes to pruning mature trees.
Bark, manure, leaf mold and compost are among the organic amendments commonly used to improve clay soil.
To understand plant flowering, you need to get a handle on “photoperiodism,” or amount of light and darkness a plant is exposed to.
Research has resulted in easier methods of dealing with pests and diseases, from resistant trees to low-toxicity products.
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.
We present a dozen stories that rose to the top in 2021.
Make it fun by challenging everyone to find each of the most common Christmas trees: Douglas-fir, noble fir and grand fir.
When finding a location for arborvitae in the garden look for full sun and well-drained soil.
OREGON STATE UNIVERSITY
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