Why are my hydrangea leaves turning purple?
Factors contributing to purple hydrangea leaves:
- Soil pH: The most common cause of purple hydrangea leaves is acidic soil. Hydrangeas prefer soil with a pH between 6.0 and 6.5. When the soil is too acidic (below 6.0), the plant cannot absorb aluminum, which is essential for producing blue flowers. As a result, the leaves turn purple.
- Aluminum availability: Even if the soil pH is correct, a lack of available aluminum can also cause purple leaves. Aluminum is often bound to soil particles, so it is essential to ensure that the soil has good drainage and is not compacted.
- Genetics: Some varieties of hydrangeas are genetically predisposed to have purple leaves. These varieties typically have dark purple stems and veins.
- Environmental stress: Purple leaves can also be a sign of environmental stress, such as drought, heat, or cold.
How to fix purple hydrangea leaves:
- Adjust soil pH: If the soil pH is too acidic, add lime to raise it. Follow the directions on the package carefully.
- Increase aluminum availability: If the soil has good drainage, you can apply a chelated aluminum fertilizer. This will help the plant absorb more aluminum.
- Choose a variety with purple leaves: If you want purple hydrangea leaves, choose a variety that is genetically predisposed to have them.
- Reduce environmental stress: Water your hydrangeas regularly, especially during hot and dry weather. Protect them from the wind and cold.
Related Questions:
- Q: Why are my hydrangea leaves turning black?
- A: Black leaves can be a sign of root rot or other diseases.
- Q: Why are my hydrangea leaves curling?
- A: Curling leaves can be a sign of dehydration or nutrient deficiency.
- Q: Why are my hydrangea leaves falling off?
- A: Leaves falling off can be a sign of overwatering, underwatering, or disease.
- Q: Why are my hydrangea flowers not blooming?
- A: Lack of blooms can be caused by improper pruning, too much shade, or nutrient deficiency.
- Q: Why are my hydrangea flowers turning brown?
- A: Brown flowers can be a sign of dehydration or sunburn.
Related Hot Selling Products:
- Miracle-Gro Hydrangea Food
- Dr. Earth Acid Lovers Fertilizer
- Espoma Aluminum Sulfate
- Neptune's Harvest Hydrolyzed Fish Fertilizer
- Jobe's Hydrangea Fertilizer Spikes
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