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Why Are My Crepe Myrtle Leaves Turning Yellow In Summer?


5 Reasons for Crepe Myrtle Leaves Turning Yellow [Solution] Plants Of
5 Reasons for Crepe Myrtle Leaves Turning Yellow [Solution] Plants Of from www.plantsofmerit.org

Crepe myrtle trees are a popular addition to gardens and backyards. They have beautiful flowers in the summer and autumn, and their leaves turn a vibrant red, orange or yellow in fall. However, if you notice your crepe myrtle leaves turning yellow in summer, it could be a sign of a problem that needs attention.

Causes of Yellow Leaves on Crepe Myrtle Trees

Lack of Water

One of the most common reasons for yellowing leaves on crepe myrtle trees is a lack of water. If your tree is not getting enough water, the leaves will start to turn yellow and dry out. Make sure you water your crepe myrtle tree regularly, especially during hot summer months.

Over-watering

On the other hand, over-watering can also cause yellowing leaves. Too much water can lead to root rot, which can damage the tree and cause the leaves to turn yellow. Make sure your crepe myrtle tree is not sitting in water and has proper drainage.

Nutrient Deficiency

Crepe myrtle trees need proper nutrition to thrive. If your soil is lacking in essential nutrients, such as nitrogen, iron, or magnesium, the leaves may turn yellow. You can add fertilizer to the soil to address this issue.

Pests and Diseases

Yellowing leaves can also be a sign of pests or diseases. Crepe myrtle aphids are a common pest that can cause yellowing leaves, as well as sooty mold. Powdery mildew and leaf spot disease can also cause yellowing leaves on crepe myrtle trees. If you suspect pests or diseases, it's best to consult with a professional arborist to identify and treat the problem.

How to Treat Yellow Leaves on Crepe Myrtle Trees

Watering

If your crepe myrtle tree is not getting enough water, make sure you water it regularly. However, be careful not to over-water it, as this can also cause yellowing leaves. The general rule of thumb is to water deeply once a week, especially during hot summer months.

Fertilizing

If your soil is lacking in essential nutrients, you can add fertilizer to the soil to address this issue. Apply a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium in the spring and again in the fall.

Pest and Disease Control

If you suspect pests or diseases, it's best to consult with a professional arborist to identify and treat the problem. They may recommend insecticides or fungicides to control the pests or diseases.

Preventing Yellow Leaves on Crepe Myrtle Trees

Proper Watering

Make sure you water your crepe myrtle tree regularly, especially during hot summer months. However, be careful not to over-water it, as this can also cause yellowing leaves. The general rule of thumb is to water deeply once a week.

Proper Nutrition

Crepe myrtle trees need proper nutrition to thrive. Make sure your soil has sufficient nutrients, and add fertilizer if necessary. Avoid over-fertilizing, as this can also cause yellowing leaves.

Pest and Disease Prevention

Prevent pests and diseases by maintaining a healthy tree. Prune any dead or diseased branches, and remove fallen leaves and debris from around the base of the tree. This will help prevent pests and diseases from taking hold.

Conclusion

If you notice your crepe myrtle leaves turning yellow in summer, it could be a sign of a problem that needs attention. Lack of water, over-watering, nutrient deficiency, and pests and diseases can all cause yellowing leaves. Make sure to water your tree regularly, add fertilizer if necessary, and consult with a professional arborist if you suspect pests or diseases. By following these tips, you can prevent yellow leaves on your crepe myrtle tree and keep it healthy and beautiful all year round.

Remember, a healthy tree is a happy tree!

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