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 ...

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, ...

Q: A couple of doors down from our home there is a large, round-headed shaped tree in the yard that has fairly large clusters of white blooms. Sort of shaped like a cluster of grapes. When we asked ...