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Hydrangea pest

Any idea what this white stuff is on the leafs and stems as my hydrangea 


  • Mealey bugs. Wipe them off while you only have a few. If they are on the stems scrape gently with a butter knife. Soapey water can help too.
    Marne la vallée, basically just outside Paris 🇫🇷, but definitely Scottish at heart.
  • DovefromaboveDovefromabove Posts: 86,008
    I think it’s Hydrangea Scale ... info and advice here

    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.

  • TheveggardenerTheveggardener Posts: 1,057
    Agree with Dovefromabove, I just spry all my Hydrangea's with soapy water.
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