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

The spiky, iconic Canadian maple leaf. A large, lush Florida palm leaf. Thin aspen leaves rustling in the crisp Colorado air. You can probably recall many different leaf shapes from many different ...

There are a lot of leaves outside my window, and I’m guessing your view might be similar. This carpet of dead foliage is often viewed as a nuisance, but it can be an important component in the garden.