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But the gray mold and powdery mildew are the ones that cause black spots on the leaves of hydrangeas. And if you see the foliage turning black , you can be sure that it’s the root rot fungus. They’re famous for their attacks from beneath the ground.
17 Ιουλ 2024 · When hydrangea leaves turn black, it’s usually due to not enough water, too much water, fungal infections, frost, or incorrect fertilizing. Here’s a quick fix guide: Water your hydrangeas when the top 1-2 inches of soil feel dry. Protect them from frost and feed them 2-3 times a year with a slow-release, all-purpose fertilizer.
In this section, we will explore the various causes of blackening hydrangea leaves and provide you with effective solutions to revive them. One common issue that many gardeners encounter is black spots or patches on hydrangea leaves. This can be caused by a fungal disease called leaf spot, which thrives in humid and wet conditions.
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3 Οκτ 2023 · If the leaves on your hydrangea have started turning brown and crispy, there's several reasons why this can happen. The good news is that it can be fixed in most circumstances, and if you catch it early enough, it likely won't cause your plant to die.
24 Ιουλ 2023 · If the leaves of your plant are turning black because of overfertilization, you need to stop fertilizing the plant. Remove the damaged leaves from the plant. If the hydrangea is growing in a pot, provide it with plenty of water so that it flushes out the excess fertilizers from the soil.
If the leaves of your hydrangea are turning brown on the edges and curling, it’s likely a case of underwatering. Hydrangeas do like to be kept relatively moist during their growing season. Another problem could be that your hydrangeas are getting to much sun.
