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Questions About Viburnum Shrubs

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  • Answered by
    BushDoctor on
    September 3, 2018
    Certified Expert
    A.

    Can you include a photo? It will be very hard to tell without seeing the exact damage. If you can include a photo then I will be more than glad to help you figure out what is going on.

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  • Answered by
    BushDoctor on
    October 29, 2018
    Certified Expert
    A.

    With what I see and from what you have told me... This looks like an infection likely brought about by overwatering.

    It responded to the watering well at first, but this is when you should let it take all of that water in before getting wet again. Since it does not have as many leaves, it can not evaporate water near as quickly.

    If the soil remains wet for too long, it will be a perfect breeding ground for infections. Combine this with the cooling off, and you have the perfect conditions for an infection to establish.

    Since this plant is somewhat hardy, I think that by spring it will come back just fine. You will need to help it along though.

    The way that I recondition infected soil is by using dolomitic lime and wettable sulfur together. This will kill off the infection, and recondition the soil back to a more suitable condition for the shrub, and not the infection.

    This article will give you more information on the care of these: https://www.gardeningknowhow.com/ornamental/shrubs/viburnum/japanese-snowball-care.htm

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  • Answered by
    Downtoearthdigs on
    November 9, 2018
    A.

    This appears to be a fungal issue, or pH issue, or even both! To correct this, I would recommend applying wettable sulfur to the area, and applying dolomitic lime to adjust pH. This can correct your issue, and even if there is no infection, the sulfur will help keep the soil clean, and free of infection in the future. This article will give you more information on the proper care of these:https://www.gardeningknowhow.com/ornamental/shrubs/viburnum/viburnum-shrub.htm

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  • Answered by
    MichiganDot on
    February 17, 2019
    A.

    Often Viburnum is pruned in late winter while it is dormant. Any growth that formed after fall pruning is unlikely to make it through the winter. Remember that pruning gives the signal to grow - send out new shoots - not desirable just before winter. There are other possible reasons for viburnum problems. One is Viburnum borer. https://www.gardeningknowhow.com/ornamental/shrubs/viburnum/controlling-viburnum-borers.htm
    The other is verticillium wilt: https://www.gardeningknowhow.com/plant-problems/disease/verticillium-wilt-treatment.htm
    Some Viburnum species are more susceptible than others. Here is an article that goes over Viburnum diseases and pests. Remember to always clean your pruning tools between plants (some recommend between cuts) to prevent accidental spread. Lysol wipes have shown to be effective. https://hgic.clemson.edu/factsheet/viburnum-diseases-insect-pests/

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  • Answered by
    Downtoearthdigs on
    February 17, 2019
    A.

    Sometimes, when the winter gets really cold, it will kill it off partially. This will usually come back and is not a reason of concern. Here is an article for more information on their care: https://www.gardeningknowhow.com/ornamental/shrubs/viburnum/viburnum-shrub.htm

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  • Answered by
    MichiganDot on
    February 24, 2019
    A.

    Arrowwood Viburnum is capable of growing up to 12 x 12' unless you have a dwarf/compact cultivar. When branches touch the ground, they may root. Look at your shrubs closely for one of these rooted branches on the periphery. That would be a simple way of starting a new plant. I have never heard of one surviving division but nothing would surprise me about this vigorous and hardy shrub. You can cut them down to several inches to dig them out and transplant. If you don't dig it out, it will come back! You may be able to propagate by root cuttings but the usual method is by stem cuttings. Here is the "how to". https://sites.psu.edu/2016hort202/viburnum-propagation/

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  • Answered by
    drtreelove on
    March 16, 2019
    A.

    Maybe 3 years with good soil fertility and water management.

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