Nature's most colorful show is about to begin. This fall foliage 2022 map shows you when and where all the leaves are changing Grab your pumpkin spice latte and head outside. Nature’s most ...

This story appears in the October 2012 issue of National Geographic magazine. We have all held leaves, driven miles to see their fall colors, eaten them, raked them, sought their shade.

Plants shed their leaves not only in the fall, but continuously. New experiments indicate that they do so when old leaves flag in their production of the hormone auxin and young leaves make more ...