But deciduous trees such as most oaks and maples follow a different strategy, shedding their leaves to endure ... Foliage that turns brilliant yellow, orange, red or purple as days shorten ...

which are always present in the leaves. Different species of trees produce characteristic colors. Oaks turn red and brown. Aspens, poplars, and cottonwoods turn mainly yellow and gold. Maples turn ...

Every autumn, I begin to crave generic seasonal comforts: the hues of turning leaves ... Soon the apple trees will go quiet, drop their leaves, and enter a state of deep rest.

This season, leaf peepers will see shades of red, purple, orange, yellow and gold, depending on the tree. Not all trees change color or even shed foliage, but for those that do, there is a science ...