Design in Autumn Leaf Colors
In our neck of the woods, the autumnal equinox has just happened. The first day of fall...because that's what leaves on deciduous trees do. Some folks have fun admiring the autumn foliage, even taking trips to see it. They are sometimes given the silly epithet "leaf peepers." Nature is not tied to solar or manmade calendars. Some trees begin the leaf color-changing process before autumn, others hang on to their leaves a while longer. Conditions are the guiding force, including stress. Leaves changing colors and falling is by design. Late summer trees beginning to change color, Unsplash / Cowboy Bob Sorensen While scientists have a handle on the process, there is still much to learn. Since there will be less sunlight, the leaves that are used to catch it are burdensome. Before they are released from their duty, trees take back nutrients. There is no chlorophyll in the leaves, so their existing colors are revealed — except red leaves, those undergo a chemical transformation