Generally speaking, conifers are trees and shrubs with needles that set seeds in cones. Yews, junipers and ginkgos produce cones, too, but they’re fleshy and appear berry-like. Ginkgos are ...

“Prune a conifer?” you ask. Well, as Dylan Thomas said, we need “to begin at the beginning.” Conifers are cone-bearing trees that produce tiny pollen cones in spring followed later by more substantial ...

Q: I need to prune an arborvitae hedge because it is too tall. I’d like to remove 3 or 4 feet off the top of these shrubs. When is the best time to prune them? A: Late winter or early spring is ...

With the end of the fall season comes the question of when is the best time to prune trees and shrubs. It’s not always a simple answer. There are as many ways to prune as there are trees and shrubs.

We’re moving into fall gardening, and you may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension ...