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, ...

The black locust trees are displaying their yearly brown color as a result of locust leaf miner (Odontota dorsalis) feeding activity. The young grub like larvae eats a hole into the leaf, then mines ...

Trees are indispensible for life as we know it. They clean our air, shade our streets, anchor our soil, and bring beauty to our landscapes. Beyond their environmental services, trees carry deep ...

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 ...

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 ...