Leaf Coloration - Discussion of pigments and a listing of landscape plants which can be counted on to provide good fall colour.
Weather Channel: Fall Foliage - Plan your leaf-peeping with the Weather Channel's U.S. fall foliage reports and regional fall colour maps.
AccuWeather.com: Fall Foliage - Find news about where the fall foliage is peaking in the United States. Also provides background information about what causes fall colours.
Google News: Fall Foliage - Browse news articles about fall foliage, including reports on where colours are peaking, as well as notes on the best fall colour destinations.
Henry David Thoreau: Autumnal Tints - October, 1862 essay in which Henry David Thoreau reflects on the brilliant fall colours of New England.
The New Science of Fall Colors - Discovery Earth - The secrets of why leaves of trees change yellow or red in the autumn are slowly being revealed. Discovery slide show of the eye-seducing hues, and the science behind them.
Why Leaves Change Color - U.S. Forest Service fact sheet answering question about fall foliage: Where Do Leaves Get Their Autumn Colours? Do Different Kinds of Trees Turn Different Colours? Why Are Some Autumns More Colourful?
Wikipedia: Autumn Leaf Color - User-created article about fall foliage, including notes on what causes the leaves to change colour.
