So what gives? Is the locust an aggressive outsider, or a longtime local? The answer is far from clear. In fact, the U.S.

If plants were capable of expressing emotions similar to humans, area mesquite trees might literally turn green with envy and become jealous of another area leguminous tree species. This inhabitant of ...

Black locust trees might not be the most obvious invaders in your yard, but their stealthy nature makes them worth ...

A walk in the woods this time of year is different. It’s quiet and monochromatic. Other than the crunch of your shoes on frozen ground, there isn’t as much to see or hear as a forest in spring or ...

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, ...