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Dusty white deposit on penstemon flowers



  • i'm afraid i cant update you on mine as i bought mine as a present for someone so have given it away already (shes 97 and actually i dont think her eyesight would pick up on the white dust so will never know).


  • Peanuts3Peanuts3 Posts: 759

    I've just noticed that my penstemons have this too.  Has anyone else found any solutions, maybe i should try and go to RHS Wisley flower show and see if someone can help. 

    Sounds like a good enough excuse to go, don't you think image

  • pootlerpootler Posts: 95

    I have some newly flowering penstemons, I now have 3 different plants with the same white deposit plus we have had a lot of rain and it hasn't washed away.  If you can raise the question at Wisley that would be fab!  image

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