Those jewel-toned pigments of rubies and purples, oranges and golds, are the result of a chemical process trees and their leaves undergo each year to prepare for winter. Trees in Western ...

Photo: David Burton/The Image Bank via Getty Images. “Fallen leaves can be a good source of nutrients—but only if they’re healthy,” says Poizner. “If they are diseased or infested with ...

Nothing screams autumn quite like seeing orange, red, and yellow leaves falling from the sky. But these leaves have to land somewhere, and if they’re currently forming an autumnal blanket on your lawn ...

Seed collection is also a great way to learn plant identification. Not all native Illinois plants would be well-suited to every location in Illinois. For example, cup plant (Silphium perfoliatum) is a ...

The timing of when leaves change from green to yellow, red and orange depends on temperature and light. The colder temperatures trigger the trees to shut down for the winter. Loic D'Orangeville ...

But deciduous trees such as most oaks and maples follow a different strategy, shedding their leaves to endure the winter bare-branched. If you're enjoying this article, consider supporting our ...

Do you ever wonder why leaves change in the fall and what determines the colors that they change to? It's kind of like swapping out your summer T shirt for *** snazzy winter coat. They're really ...