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Wisteria problem

Dear gardeners,

I seem to have these little growths appearing on my wisteria. Does anyone know what they are? Is it normal or should I do something about it?

Kind regards,



  • PerkiPerki Posts: 2,453
    They look like Wisteria scale insects. 
  • Dave HumbyDave Humby Posts: 1,145
    Not something I’ve seen before Phil.

    Some of the forums more experienced folks might have some ideas.

    I took a couple of snaps of mine this morning. It wasn’t very good light conditions but I feared the impending winds would see off the blooms before the days end although it turns out it survived relatively unscathed.

  • Papi JoPapi Jo Posts: 4,024
    @dave Humby
    Some splendid wisteria!
    You are invited to a virtual visit of my garden (in English or in French).
  • It really is just beautiful!
  • Dave HumbyDave Humby Posts: 1,145
    edited April 2019
    Thanks @Papi Jo

    They can be a tad frustrating as there is a fair amount of effort in the pruning to develop the flower display. Last year we had the heavy rains a couple of weeks after they reached full boom which wrecked the display and it looked like today’s winds would do the same but fortunately they survived. 

    Looks like @Perki was spot on with the identity  B)
  • ObelixxObelixx Posts: 29,847
    It could be brown scale or wisteria scale.  The latter is relatively new in the UK and is harder to treat.   You can try scraping off the ones you can see but being careful not to damage the bark.

    There's some info and advice on here from the RHS -

    Dave H - your wisteria is looking good and is beautifully trained.  Ours have had a touch of frost damage but survived and went on to open fully but then got blasted by gales and rain so got a bit bedraggled.  This one faces east and isn't as badly bashed as the south facing one for some reason.

    Vendée - 20kms from Atlantic coast.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • Dave HumbyDave Humby Posts: 1,145
    They look especially beautiful against an old building like that @Obelixx :)
  • AlchemistAlchemist Posts: 273
    I’m getting wisteria jealousy looking at these gorgeous photos!  :)
  • DaveGreigDaveGreig Posts: 158
    I would have murder in my heart toward any pests that threatened my wisteria if they looked anything like as good as that.
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