Q: I realize ivy is considered an invasive plant, however, we like it and are using it for erosion control. We recently planted cuttings with the help of root hormone powder. My question: is this an okay time to have planted this so that it can thrive?
To keep your lilacs looking their best, they need to be pruned, fertilized and shaped almost every year, soon after they are done blooming in the late spring.
Peg Herring |
May 20, 2005 |
News story
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.
When winter approaches, it’s time to check your weed control plans. Noxious weeds are best controlled if you track them carefully. Weed mapping and weed calendaring are two activities important to tracking weeds so that you can properly control them. Here are a few tips to get you started.
Q: I have a California lilac tree in my back yard. A thick root is underneath the pavers and lifting them up. Will I kill the tree if I cut out that root? I sure don’t want to kill it!
Dr. Looney received an MS in Entomology from WSU, and a PhD in Environmental Science from the University of Idaho in 2007. He joined the Washington State Department of Agriculture in 2009, where he manages the Olympia ...