Q: I noticed in the August tips on your web site (www.georgeweigel.net/timely-tips/august) that you mention this month is the end of the time to trim evergreens. We ...

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 ...

Having to think about plants you shouldn’t prune in winter might seem confusing. You may have heard that winter is the perfect time to prune plants since many of them are dormant. This is absolutely ...

STATEN ISLAND, N.Y. -- Between the rain, ice and snow and the wind-driven rain, ice and snow our region experienced this winter, Staten Island yards and gardens sustained a good deal of damage. Most ...

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 ...

Someone recently told me that a woody shrub should never be pruned of old wood because it could die. Is this true? I have a viburnum in need of pruning. That's a new one to me! This is not true, but I ...

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.

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 ...

When is the best time to prune my arborvitae? I've got lines of them along two sides of my property. A: The best time to prune arborvitae is at the end of winter -- right before new growth begins.