Q: Can you tell me what is wrong with my crab apple tree, and what I should do about it? The leaves started turning yellow earlier this summer and now there are hardly any leaves left. It looks awful.

Dear Neil: I thought my apple tree was too dry, but I found peeling bark and hard, white deposits on the base of the trunk. I can’t find any matching photos online. What might the problem be? A: I can ...

The leaves of my apple tree have odd spots on them. What is this and what can I do about it? Although there are other possibilities, cedar-apple rust is a possibility, given your description, the wet ...