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.
Learn about the life stages of the bronze birch borer and the damage it causes. Homeowners will learn to assess the damage, treat trees and prevent infestation.
Describes key identification features, life cycle, and pest status of filbertworm, filbert weevil, filbert aphid, and hazelnut aphid. Includes color photos.
Vaughn Walton, Ute Chambers, Amy J. Dreves, Denny Bruck, Jeff L. Olsen |
Dec 2007 |
Extension Catalog publicationPeer reviewed (Orange level)
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!