Trees can be expensive and are valuable plants we need to avoid injuring. Wounds are openings for decay organisms and trees expend energy for wound sealing, setting them up for other issues. During ...

Question for Dan Gill: Recently I had a large Shumard oak tree planted by a local nursery. In the process of planting, they damaged a small section (five inches by six inches) of the bark, about a ...

When fall’s cold nights kill the flowers and cause so many of our trees and shrubs to drop their leaves, the bareness shines our focus on what’s left – for one thing, tree trunks. Trunks and their ...

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

Q: Should I evict the squirrel who lives in the hole in my golden rain tree’s trunk? There is some rotting on the cut stump. Should it be filled with concrete, or is there a better way to repair it? A ...

If you have ever noticed small holes, made in neat rows on the trunk of a tree, you are probably looking at the damage caused from a yellow bellied sapsucker. Sapsuckers are a type of woodpecker, but ...

Winter is on its way, 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 ...

Q: Should we be concerned with the split in the trunk of the Frontyard Linden we purchased and had professionally planted in 2022, and the split appeared two years later? A garden center told us not ...