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Thread: lilac

  1. #1
    Join Date
    Sep 2007

    Default lilac

    I have a lilac bush which is about 45 years old. Was doing good except for this year. The leaves curled and turned black. I don't see any evidence of a borer. Can you help?

  2. #2

    Default Re: lilac

    Were any lawn herbicides applied near by that may have drifted onto the lilac?

    How has the water changed this year? Black leaves can be a symptom of too much water.

    I've seen discharge from new copper gutters do it too.
    John Paul Sanborn
    Franklin, WI
    Consulting Arborist

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