Question: I have a nice Hawthorn tree that has great red flowers in the spring, but it drops most of its leaves every year by the beginning of September. That's way too early for fall, so why does it ...

THE Hawthorn tree is a robust and long-lived genus (Crataegus). Part of the rose family, they light up our countryside boundaries with spectacular blossom and later provide food for our wildlife.

Q: We recently moved into a house with a hawthorn tree in the front yard. The tree had beautiful red blooms in spring, but now it has developed unsightly black spots on the leaves. Is there a way to ...

Lance is a caretaker of a nature preserve in North Carolina and an expert on hawthorn trees. (The species Crataegus lancei is named after him.) And for years now, he’s been chronicling their ...