Read Dr. Don Leopold's Guide to Fall Colors in Upstate New York with color images of dozens of trees and shrubs. Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, ...

Watch Leaves Change Color in a Matter of Seconds A new time-lapse video of over 6,000 leaf photos reveals the biology behind fall foliage ...

The anthocyanin mixes with carotenoids in the leaves to give it the bright red flare. Ultimately, the fall color show is dependent on the weather. Changeable conditions make for lousy color shows.

It expects near peak leaves in northern and central Indiana by Oct. 26, and peak leaves to hit central Indiana by Nov. 2. Southern Indiana is likely to see peak leaves by Nov. 9, according to the map.