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 ...

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 ...

Pruning is an important garden task. Besides simply keeping growth in check, proper pruning also keeps trees and shrubs healthy by ensuring that light and air can reach all the branches. Pruning at ...

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 ...