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  • Answered by
    Downtoearthdigs on
    June 26, 2017
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  • Answered by
    BushDoctor on
    October 29, 2017
    Certified Expert
    A.

    If you can dig up as much as possible, then this will help greatly. After this, you can pour boiling water on the plant, and around the area. This will kill off any growth, and all roots in the area. This should rid you of your problem.

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  • Answered by
    MichiganDot on
    February 22, 2018
    A.

    I think you are referring to Canterbury Bells, Campanula medium. It is a biennial spending the first year in green growth and flowering the second year. It then dies but produces ample seed to collect or let fall. It likes full sun but will do OK in a south-facing window until after your frost free date. Acclimate it to the outdoors and enjoy. https://www.gardeningknowhow.com/ornamental/flowers/canterbury-bells/canterbury-bells-plant-how-to-grow-canterbury-bells.htm

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  • Answered by
    BushDoctor on
    February 23, 2018
    Certified Expert
    A.

    This is an outdoor plant in most areas. These are champions at surviving the cold. You can plant it outdoors for the best results. Here is an article for more information: https://www.gardeningknowhow.com/ornamental/flowers/campanula/growing-campanula-bellflowers.htm

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  • Answered by
    MichiganDot on
    March 10, 2018
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  • Answered by
    MichiganDot on
    March 15, 2018
    A.

    Enough salt to kill a campanula infestation is going to adversely affect your soil. You may get the top to die back but the roots live on. The salt and/or vinegar treatment lives on on the internet. It works for annuals but is less effective on perennials. Toxic amounts of any salt affects how well roots can absorb nutrients. Unlike nitrogen, salts don't move through the soil quickly.

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