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 ...
Q: I have a tree that appears to be doing well but which has a couple hollowed-out branch stubs. Should I fill them in so it doesn’t cause problems? A: No, leave them as-is unless a certified arborist ...
In my Dec. 3 column, I responded to a common question, "Do cavities or hollow spots in trees harm the tree?" Cavities in trees are a result of decay caused by fungi that invade the wood after a tree ...
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