Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...

These trees have one leaf attached to each stem. Leaves with a consistent leaf edge are called unlobed leaves while trees with leaves that form shapes along their margins are called lobed leaves. If ...

As emerald ash borer (EAB) infestation continues its march across the continent, Don Kinzler shares the distinctive identifying characteristics of an ash tree.

Question: My hackberry trees are dropping leaves for no apparent reason. The leaves look fine, no bugs or mold spots or discoloration of any kind. Do you have any idea what might be causing the leaf ...

Q: I have a beautiful green ash tree in my front yard and hope to keep it protected from the ash borer as long as possible, but today I noticed a lot of leaves have fallen off. There are little dark ...

Q: Is it common for the chitalpa tree to partially defoliate in the summer? What would be the optimum amount of water for 15-foot chitalpa tree growing in Kingman, Arizona? A: Chitalpa, like some ...

Scientists are investigating the reasons some plants still wear last season’s tattered clothes.