Black locust trees bloom in May and June, emitting a fragrant aroma and signaling seasonal changes. Often considered a nuisance species, black locusts play an important role in colonizing disturbed ...

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 ...

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 ...

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, ...

Sometimes I wonder if the Biblical plagues of ancient Egypt have lingered in one form or another. Blooms of toxic algae, which occasionally turn water a blood-red color, are on the increase. Gnats and ...