Why Fall Leaves Turn Bright Colors Every Year
Why Fall Leaves Turn Bright Colors Every Year
US · Published Sep 5, 2025
The vibrant colors of fall leaves are due to the breakdown of chlorophyll and the emergence of other pigments like carotenoids and anthocyanins.
The abscission layer forming in leaves cuts off nutrients, leading to chlorophyll reduction and revealing underlying colors.
Weather conditions like cool, sunny days enhance the production of anthocyanins, intensifying red and purple hues in fall foliage.
Nature's spectacular show as summer fades to autumn
Every year, as summer fades and autumn arrives, nature puts on a spectacular show. The vibrant transformation of green leaves into brilliant shades of red, orange, and yellow is a hallmark of the fall season. But what causes this annual burst of color? The answer lies in a combination of tree physiology and environmental factors.
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