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Mould on hydrangeas heads

JacquimcmahonJacquimcmahon Paris FrancePosts: 907
hi everyone

i know the wisdom says to keep the heads on the hydrangeas to protect the buds below, however after several weeks of wet but warmish weather a lot of the spent heads on my bushes are covered in mould. 

So so far I don’t see any problems on the buds and stems but should I at least thin out the ones which have the mould?


  • BorderlineBorderline Posts: 4,687
    edited October 2019
    This is entirely up to you. Thinning or even removal of all flowerheads should not affect your plant. In fact, many mop-head Hydrangeas are pruned off in late summer for flower arranging and for dried flower arranging.
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