Q: My Italian cypress had spider mites, so I sprayed the trees with an insecticide about six weeks ago. Nearby Italian cypress trees are also full of spider mites. I was going to spray them with an ...

Some would argue there’s nothing better than a live, freshly cut Christmas tree to bring joy and holiday spirit to your home ahead of the jolliest day of the year. The smell of fresh pine, the fun of ...

A gall is an abnormal growth or swelling of a plant caused by hormones released from insects, mites, bacteria, or nematodes. They can appear on any part of the plant with vast variation in morphology, ...

‘I have some weird, seemingly hollow, green, round balls falling from my oak tree. What in the world are these things?” — S.Y. You are describing an interesting growth that can occur on a variety of ...

Dear Jane: Enclosed are leaves from my 25-foot-tall, 6-year-old Hoisen pear tree that suddenly developed black specks and spots on the underside of all of its leaves in early June. Now some leaves are ...

This sounds to me like your witch hazels have galls. Insect and mite galls are common on trees and shrubs throughout the Chicago area and are generally nothing to be concerned about. Leaf galls rarely ...

If only we could garden without the insects, what a great place Texas could be. But they’re here, and so are we, and we must learn to identify and deal with the issues they bring us. Here are some of ...

This past winter was above-average in temperature. Rarely, if at all, did we have any of those bone-chilling days or nights. As a result of the mild winter, people were asking if we would see more ...