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, ...

Honey locust (Gleditsia triacanthos) is a deciduous and thorny legume tree that is aggressive and fast-growing. The tree’s bark is grayish-brown and furrowed with long, scaly ridges. Honey locusts ...

Q: Our neighbor next door allows locust trees to grow wild in his one-acre backyard. The trees on his property have borers that often cause significant decline. The seeds are always falling into our ...

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 ...

A stand of trees on Goose Island looks a little naked. It’s part of a pilot project to remove unwanted species such as black locust, which have taken over about 100 acres of the U.S. Army Corps of ...