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Phlox, white and powdery

How do i stop this please, as it happens every year. They start off fine then they go all white and powdery then the leaves shrivel and they don't flower.

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  • K67K67 Leicestershire Posts: 2,288
    edited July 2020
    I would cut your losses and replace the plants, I assume you are referring to Phlox panticulata. My local supermarket sells them, or at least they did last year,  haven't shopped since March!
      You can buy sprays or try a homemade remedy. Dryness and lack of airflow doesn't help.
    Or you could replace with more mildew resistant plants.


  • PalustrisPalustris Posts: 3,562
    If you really like Phlox paniculata, then try replanting them with a lot of water retaining crystals in the soil. They really do like a moisture retentive growing medium.
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