The coming of autumn often makes trees harder to identify — but sometimes, it does the opposite. The black locust (Robinia pseudoacacia) is a case in point. In summer, its bluish-green, oval-shaped, ...

I have received several inquiries from readers about the many roadside trees turning brown this summer. The question is usually, “What is killing all of those trees?” The trees in question are likely ...

Q: My husband and I bought a new house last October in Lexington, Ky. Halfway through our backyard was a row of locust trees. I believe they were black locusts but we aren't certain. We decided since ...