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Mould on Dahlia leaves

Jennifer80Jennifer80 Posts: 39
in The potting shed
I have been growing Dahlias for years. Suddenly the whole crop has mould on the leaves. Has anyone else had this problem please?

Posts

  • FireFire Posts: 19,096
    I have started this week to get some mildew on the dahlias. It can happen when plants get too dry. I am using SBPI and it really helps. Homemade garlic spray is also good.


  • punkdocpunkdoc Posts: 15,039
    I find increasing the watering is usually all that is needed.
    How can you lie there and think of England
    When you don't even know who's in the team

    S.Yorkshire/Derbyshire border
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