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Problem with my hydrangea

Does anybody know what's just appeared on my hydrangea? Cheers guys 

Posts

  • JacquimcmahonJacquimcmahon Posts: 1,039
    Have you watered withtap water? If so it may simply be calciumif you got the water on the leaves. We have very bad water here and I often get water stains which leave flaky white residue after it dries.
    Marne la vallée, basically just outside Paris 🇫🇷, but definitely Scottish at heart.
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