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 ...

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 ...

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 ...

My Emerald Green arborvitae was looking good earlier in the year but now is turning brown and shedding. What is causing this and is there anything I can do to save this? Missouri is a struggle for ...

Extended summer is over. Fall is definitely here and there’s plenty to do in the garden. You may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon ...

Editor’s note: Throughout the growing season, Mike Hogan, OSU Extension educator for Agriculture and Natural Resources in Franklin County, will answer gardening and home landscape questions submitted ...