Question: Several of my perennials and tree's leaves in my backyard get leaf miners every year. I've tried many insecticides (the latest was Sevin powder) already, but they don't work. Is there ...

The problem with your Japanese magnolias is an insect problem, not a disease. The tan growths are magnolia scale insects.

Black sooty mold and a waxy substance covering the branches of your crape myrtle tree means a pest is taking over. Here are ...

Systemic insecticides for spotted lanternflies can harm pollinators. Physically remove spotted lanternfly egg masses before they hatch. Editor’s note: Throughout the growing season, Mike Hogan, OSU ...

What about ivy that grows up a tree? How harmful is that to a tree? Also, I have a mature sunburst locust tree. In the spring, it gets leafhoppers. In the fall, it gets small webs in the cluster of ...

Q: We have two 13-year-old hollies on the north side of our house that have been infested with scale. The new growth put out since I pruned in March is unaffected, but I see there are white egg sacs ...

Ms. Van Mullekom: Your column in Sunday’s Daily Press about crape myrtles was very timely. All of my old oak and maple trees have either been blown down or died from old age. A couple of years ago I ...