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Aquilegia discolouration. What is causing this? Should I destroy the plants? Is there any treatment?

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  • B3B3 Posts: 21,473
    edited 19 April
    Destroy them. It's a form of downy mildew
    https://www.hardy-plant.org.uk
    The link seems to go to home page but there's good information on the site
    In London. Keen but lazy.
  • LG_LG_ gardens in SE LondonPosts: 3,797
    Is this the link you meant?
    https://www.hardy-plant.org.uk/resources/miscellaneous-articles/Aquilegia-Downy-Mildew
    'If you have a garden and a library, you have everything you need.'
    - Cicero
  • B3B3 Posts: 21,473
    Thanks @LG_
    In London. Keen but lazy.
  • jominnsjominns Posts: 3
    Thanks both for your comments. That's really helpful.  I will remove and destroy. There are some healthy plants growing in the garden , should I remove them too?

  • B3B3 Posts: 21,473
    edited 19 April
    No . Just the ones that have symptoms.  Try to practise hygiene which might help, but the spores are wind borne. I'm not losing so many now as I used to.Maybe resistant plants are developing.  Mine are all self seeded. I'm not sure how it is with sown seeds with regard to resistance
    In London. Keen but lazy.
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