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Top Questions About Spirea

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Questions About Spirea

  • Answered by
    Downtoearthdigs on
    June 13, 2017
    A.

    This looks like Fire Blight, which is common in Spirea.

    When it rains in spring, spores get bounced from stems and branches onto flowers and new growth, infecting the tissue and starting the process over again. Fire blight is cyclical, with alternate plant hosts, so it may not even be a problem most years.

    In your situation, I’d recommend pruning out the affected areas, making sure to clean up any leaf or branch litter around the plant. Late winter next year, check the bark for any oozing cankers, and prune out those areas, making sure to toss all of that infected plant material in the garbage.

    With regular checking, you should be able to get the issue under control and make it manageable, without having to do anything more than cultural maintenance.

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  • Answered by
    Gramv on
    July 24, 2017
    A.

    I don't see a place to upload a photo

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  • Answered by
    Downtoearthdigs on
    July 24, 2017
    A.

    Can you upload an image for use to help you id your plant?

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  • Answered by
    Downtoearthdigs on
    July 24, 2017
    A.

    Newly planted shrubs need regular watering in the first year to help them become established.

    Use the article blow to verify the planting and growing conditions.

    https://www.gardeningknowhow.com/ornamental/shrubs/spirea/growing-spirea-shrubs.htm

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  • Answered by
    Downtoearthdigs on
    August 12, 2017
    A.

    Color change is normal in this variety.

    Vibrant golden spring foliage, accented by clusters of pink flowers, cools to a yellowish green in summer then a rich, yellowish orange in fall.

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  • Answered by
    Downtoearthdigs on
    August 22, 2017
    A.

    Fortunately this is normal. The flies you are seeing are probably syrphid flies, also called flower flies. These are important pollinators of many plants, including spirea, and so they are actually beneficial to the plants.

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  • Answered by
    BushDoctor on
    September 9, 2017
    Certified Expert
    A.

    You should prune in winter or early spring. Consult this article here: https://www.gardeningknowhow.com/ornamental/shrubs/spirea/growing-spirea-shrubs.htm

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  • Answered by
    BushDoctor on
    September 10, 2017
    Certified Expert
    A.

    Yes, it is advised to trim again in winter. Here is an article that will help: https://www.gardeningknowhow.com/ornamental/shrubs/spirea/growing-spirea-shrubs.htm

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