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Q&A – What are these spots on my hydrangea?

Question:
What are these spots on my hydrangea?
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Answer:

This is Cercospora leaf spot. It is common on large leaf hydrangeas. It is a fungal disease. Because it is late in the season, it is not really worth treating because the leaves will fall off soon. Make sure you collect the diseased leaves when they do fall and dispose of them in the trash, not the compost pile. If you see it in the spring you can pinch off the diseased leaves and dispose of them.
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Related Videos:
Why does my hydrangea have brown dark spots all over?
Common Hydrangeas
My BloomStruck hydrangea are drooping from weight. What should I do?

Related Resources:
Cercospora Leaf Spot on Hydrangea
Leaf Spot on Hydrangeas
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  • Home
  • Watch
    • TV Schedule
    • Full Episodes Online
    • How-to and Informational
    • Questions and Answers
    • This Week in the Garden
    • Garden Notes
  • Garden Topic Collections
    • Apple Trees: How-to and Information
    • Peach Trees: How-to and Information
    • Tomatoes: How-to and Information
    • Square Foot Garden Blog
  • Resources
    • Soil Testing
    • Extension Publications
    • Gardening Resources
    • Blogs
    • Organic Gardening
    • Articles
    • Privacy
  • Guests
  • Contact Us
    • Ask a Gardening Gardening Question
  • Search