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 ...

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: 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 ...

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 ...

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.