Why do leaves fall off trees in the autumn? 02:44. MINNEAPOLIS — The latest map shows fall colors are just starting to emerge across parts of northern and southern Minnesota.

Deciduous trees have unique autumn leaf colors that are specific to every species. Fall's most common leaf colors are red, yellow, and orange.

A tree’s fall palette offers a glimpse at its health and the weather it has experienced in a given ... a warming climate might seem like a buffer for trees against losing leaves to an early frost.

An apple may not fall far from the tree, but for a leaf, it depends on its shape. Elm or apple leaves — oval and symmetrical, with few protruding lobes — fall quickly, making them likely to ...

Fall leaves sometimes change later, putting trees at risk for frost damage if winter arrives early. Even if trees change on time, the colors may not be as vibrant as in previous years.

TOLEDO, Ohio — The fall season is quickly wrapping up and, as the winter chill inches closer, the life cycle of fall colors will end, leaving trees with only their branches left to stand ...

Get ready, leaf-peepers, it’s fall foliage season. As pumpkin flavors permeate coffee shops and the morning air crispens, trees’ leaves have begun transitioning from green to shades of red ...