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Sooty Smingey Stuff on Skimmia

dave125dave125 Posts: 178
edited March 2021 in Plants
My skimmia which is in a shady spot has developed this stuff. I've had no problems with it before. It's now spreading to nearby Campanula. Any suggestions? Thanks.


  • K67K67 Leicestershire Posts: 2,507
    What's known as sooty mould.
    Can't tell you what you should do though, sorry.
  • ObelixxObelixx Vendée, Western FrancePosts: 27,633
    Looks like a sooty mould which grows on sugary secretions from aphids.  You need to wash it off every leaf using warm water and a soft cloth and then keep an eye out for more aphids coming along.

    You can squeeze them with your fingers or blast those off with a spray from a hosepipe or wait for the ladybirds, hoverflies and lace wings to come and hoover them up.  Tits and sparrows also feed them to their nestlings as moist nutritious food so try and avoid sprays.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • dave125dave125 Posts: 178
    Thanks, that's very helpful and I'll certainly be on that this weekend weather allowing
  • BobTheGardenerBobTheGardener Leicestershire, UKPosts: 11,336
    Also worth checking for scale insects which excrete the same 'honeydew' as aphids, but can be harder to spot.
    A trowel in the hand is worth a thousand lost under a bush.
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