Specific regions have well-defined peak periods. New England, renowned for its stunning fall landscapes, typically experiences its prime foliage from late September through October. Following closely behind, the Mid-Atlantic and Midwest regions will see their colors peak throughout October. For those seeking an extended viewing window, the Southern Appalachians often provide one of the longest-lasting displays, with vibrant colors potentially lingering into early November in certain locations. In the Western United States, elevation is the primary determinant, with states like Colorado, Utah, Oregon, and Washington offering spectacular fall colors from September into October.