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 ...

Q: Something bored holes in lines across the trunk of my California pepper tree. Sap bled from the holes and I thought the tree might die. What should I do? A: The injury on your pepper tree was ...

Q: My wife and I just moved into a house with a maple tree in the backyard. I noticed there is a sizable hole forming in the trunk. Inside the hole are wood chips, which I'm guessing are the result of ...

Q: The Norway Spruce trees that border our yard are dying, and they have holes in the bark. Do you know what could be causing this? Is there anything we can do to stop it and save the ones that are ...

Occasionally homeowners will notice small holes in the trunks of landscape trees. This may not mean impending death to the tree, but it’s not good. The presence of holes usually means that an insect ...

The sapsucker woodpecker is causing problems in the region, plus other reader inquiries about ash trees dropping leaves and transplanting lilies. A sapsucker woodpecker can cause damage to area trees ...

Q: I have two very old oak trees that each have a hole in the trunk about 2 feet in diameter that was there when we built our house 30 years ago. Tree specialists have said to leave them alone, which ...

Dear Neil: What could be causing these spirals of holes in the trunk of my Lacey oak? The tree seems to be healthy. It had small acorns that dropped early, but that might be due to last winter’s cold.