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  • Answered by
    BushDoctor on
    May 8, 2018
    Certified Expert
    A.

    This can have many causes, and pruning can usually solve the issue, along with a fertilizer in spring. Can you include a photo, so that I may see what is going on?

    In the meantime, this article will help: https://www.gardeningknowhow.com/ornamental/shrubs/lilac/lilac-care-growing-and-planting-lilac-bush-plants.htm

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  • Answered by
    Downtoearthdigs on
    May 12, 2018
    A.

    Some Lilac are grafted and the root stock may have taken over.

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  • Answered by
    Downtoearthdigs on
    May 12, 2018
    A.

    Most likely your Lilac is a grafted bush and the root stock has sent up a shoot that is of white stock.

    You can enjoy the color or try to cut out that portion of the shrub.

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  • Answered by
    BushDoctor on
    May 12, 2018
    Certified Expert
    A.

    This could be a fungal or bacterial issue, but I would need a photo to confirm. Please upload a photo, and I'll be more than glad to help identify the issue.

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  • Answered by
    BushDoctor on
    May 15, 2018
    Certified Expert
    A.

    I am noticing harmless fungal growth on the side of the plant, which tells me that there may be something lurking in your soil. Although this isn't going to kill your plant on its own, what is in the soil might.

    I would apply wettable sulfur in the soil along with dolomitic lime. This will kill off anything lurking in your soil, and get it started back to perfect health.

    This article will help: https://www.gardeningknowhow.com/ornamental/shrubs/lilac/lilac-care-growing-and-planting-lilac-bush-plants.htm

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  • Answered by
    Downtoearthdigs on
    May 17, 2018
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