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, ...

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 ...

This native tree comes with its own defense system in very large thorns on the stems and trunk. Meet the honey locust. Purdue Extension forester Lenny Farlee explains that large, long yellow seed pods ...

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 ...

In this edition of ID That Tree, Purdue Extension forester Lenny Farlee gives tips on how to identify two species – honey locust and bur oak – from just the markings and scarring on leafless twigs.

This story was originally featured on Outdoor Life. You might not expect tree fungus to be particularly useful, but—surprise—it’s often very handy. If you have birch or black locust trees growing near ...