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Q&A - What is the black film on my crape myrtle plants?

Question:
There is a blackish film on my crape myrtle plants. What is it and what can I do to prevent it?

Answer:
That is the fungus sooty mold. It is feeding on honeydew which is secreted by crape myrtle bark scale or aphids. If you don’t get rid of the scale or aphids the sooty mold will return.

Related Videos:
Treating Crape Myrtle Bark Scale

Related Resources:
Sooty Molds
Crape Myrtle Bark Scale Identification and Control
Crapemyrtle Aphid
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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