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As the summer fades away, the arrival of fall is marked by the changing colors of leaves. The process of leaves changing colors and falling off trees is a natural phenomenon that happens every year. This is a time when trees prepare for winter, and it begins with a beautiful display of colors.

Why Do Leaves Change Colors in the Fall?

The leaves of trees contain chloroplasts that make them green by absorbing sunlight. As days become shorter and temperatures drop in the fall, the production of chlorophyll slows down and eventually stops. This process exposes the other pigments in the leaves, such as carotenoids and anthocyanins, which give the leaves their vibrant colors of yellow, orange, red, and purple.

When Do Leaves Start to Change Colors?

The timing of when leaves start to change colors varies by location and weather. In general, the process begins in the northern regions during early autumn and gradually moves southward. The best time to see the colorful foliage is usually around mid-October, but it can vary depending on the region and the type of tree.

What Happens to Leaves After They Fall Off?

Once the trees lose their leaves, the nutrients stored in the leaves are reabsorbed by the tree, and the leaves decompose on the ground. This process enriches the soil and provides nutrients for the tree to use for the next growing season.

Fall leaves serve as a reminder of the beauty and cyclical nature of life. They are not only pleasing to the eye but also play a vital role in the ecosystem. So next time you see a colorful leaf or pile of leaves, take a moment to appreciate the natural beauty around us.