We decide whether to spray for buck moth caterpillars based on how large the population was in your trees last spring, adult populations observed in the fall, the observation of many caterpillar ...

Antlers can do significant, although not usually fatal, damage to tree trunks and branches. (Penn State University) Q: We have a young dappled willow tree that has severe, splintered bark damage from ...

Q. I just planted a fruit tree and was told by a friend that I should paint the trunk with white paint. I really don’t like the idea of a tree painted with white paint in my front yard. Is it really ...

Q: My dad helped me plant a couple of young apple trees in my backyard last weekend and so far, so good. After we finished I said the only thing I had left to do was paint the trunks white. He looked ...

You’re enjoying a peaceful hike in the woods surrounded by lush greenery, including a lone tree with a red marking ...

Question: We have a can of spray foam that says it can be used to fill cavities in tree trunks. There’s a hole in one of our trees where a branch was removed — it’s about waist-high. The hole extends ...

Timber stand improvement (TSI) is an important practice in managing the woods for wildlife. Often referred to as forest stand improvement (FSI), this land management method is used to accomplish short ...

Some gardeners like the look of ivy twining up a tree trunk. However, vines that twine too far can be bad news for the tree, according to Sharon Yiesla, plant knowledge specialist at The Morton ...

Q: When should I be dormant spraying my fruit trees? Earlier this year I asked about peach leaf curl on my peach tree and was told that prevention in the form of at least two dormant sprays was the ...

To stake or not to stake? Too many gardeners answer this question in the affirmative. Who doesn’t want to lend support to a wispy, young tree? And there are situations when a tree can use some ...

Howard Garrett How about an unusual holiday gift idea for friends or relatives that you can also give to yourself? This “advice gift” is how to bring sick trees back to health. Whether trees in ...

Is it frothy flux, bacterial wet wood, pitch from the pinon pitch mass borer, alcoholic flux, the result of boring insects, a fungal root problem, or the result of stress? All those conditions are ...