Q: I have an established clematis vine, and learned that there are a confusing variety of ways to prune them. Do I need to prune it? How can I tell which pruning method to use? A: Clematis are ...

Arborvitae, otherwise known as Thuja, is a well-known evergreen plant typically used as a hedge or boundary plant. With ...

From now until about mid-March, most evergreens can be pruned without fear of injury to the plant. This includes many common foundation shrubs such as arborvitae, boxwood, holly, juniper and yew. Pine ...

Fall has arrived, but gardening season is far from over. We’re still getting plenty of questions to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service.

We've all seen those scraggly, lopsided, or overgrown evergreens looking like a hot mess in the landscape. Once an evergreen reaches that point, it can be a real challenge to correct the problem. But ...