Reader Carmen B. asks gardening columnist Don Kinzler the best way to manage the tree seedlings that pop up in her flower bed each year. Q: My husband has trimmed the tree seedlings in the photo back ...

Q: We have four linden trees, and this spring two trees came back looking healthy, but two leafed out much later. The foliage is sparse and the leaves cup upward at the outer edges. The soil is sandy.

I’ve been answering gardeners’ tree questions for 54 years. I thought you might enjoy seeing some of the more interesting ones. Why is bark falling off my crape myrtles? That’s normal. Horticulturists ...