What Do Yellow Leaves Mean in Autumn

Yellow leaves in autumn are a sign of the changing seasons and the onset of cooler weather. As the days get shorter and the nights get colder, trees begin to prepare for winter by breaking down the chlorophyll in their leaves. Chlorophyll is the green pigment that allows trees to absorb sunlight and photosynthesize. Without chlorophyll, leaves turn yellow and eventually fall off the tree.

There are a few other reasons why leaves might turn yellow in autumn. One reason is iron deficiency. Iron is essential for chlorophyll production, so if a tree is not getting enough iron, its leaves will turn yellow. Another reason for yellow leaves is stress. Trees can be stressed by drought, heat, pests, or diseases. When trees are stressed, they may produce less chlorophyll, which can cause their leaves to turn yellow.

For many trees and plants, yellow leaves in autumn are a normal part of the changing seasons. However, if you are concerned about the health of your trees, bring a sample of the leaves by the Garden Center and our plant experts can tell you if you need to be concerned and provide helpful remedies if you need to take action.

 

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