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Top Questions About Hydrangea Plants

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Questions About Hydrangea Plants

  • Answered by
    DLarum on
    September 21, 2017
    Certified Expert
    A.

    Different types of hydrangeas may have different pruning requirements, but this article should help

    https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/prune-hydrangea-bushes-hydrangea-pruning-instructions.htm

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  • Answered by
    BushDoctor on
    September 24, 2017
    Certified Expert
    A.

    Your plants are still young! It is possible that it get a little too cold in your area, as this can cause death all the way to the ground. Now, every year that they die all the way back, it will reset the flowering time to about 2 years. So until it get more mature, and starts sending larger shoots, it may not flower. Here is amn article with more information: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/prune-hydrangea-bushes-hydrangea-pruning-instructions.htm

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  • Answered by
    BushDoctor on
    September 24, 2017
    Certified Expert
    A.

    You can cut them down completely if they become overgrown, but this will stop their flowering for a year or two as they recover. If you want to thin it out some, then just take a few branches out here and there, then on what you leave, you will have to cut the spent bloom only past the bloom.

    Here is an article with more information: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/prune-hydrangea-bushes-hydrangea-pruning-instructions.htm

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  • Answered by
    Downtoearthdigs on
    September 27, 2017
    A.

    Your plant may have either received too much water or not enough. Your Hydrangea may have suffered some root rot or die off of roots.
    When this happens the plant cannot take up moisture.

    Dig down into the soil to check how much moisture is in the soil.

    I don't see any evidence of disease on the leaves such as Grey Mold.

    https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/growing-hydrangeas-hydrangea-care-guide.htm
    https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/drooping-hydrangea-plants.htm

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  • Answered by
    BushDoctor on
    October 7, 2017
    Certified Expert
    A.

    You may cut them back as long as long as they are healthy. They will come back but it might delay flowering for a season or two. Here is an article that will help: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/prune-hydrangea-bushes-hydrangea-pruning-instructions.htm

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  • Answered by
    MichiganDot on
    October 10, 2017
    A.

    I've done some additional research and came across this article. http://ucanr.edu/datastoreFiles/268-86.pdf
    It has more detail on pruning and describes rejuvenating older hydrangeas by removing 1/3 of the oldest branches to the ground annually. This is a common technique for keeping shrubs full of young wood which blooms better than old wood. However, I had not seen it mentioned before with regards to hydrangeas.

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  • Answered by
    MichiganDot on
    October 9, 2017
    A.

    You aren't the only one who has had this problem. The chief reasons for not blooming are improper pruning, too much shade and warm early spring followed by a hard freeze. Where I live, we had balmy weather in March this year followed in April by 2 nights of 20F. It zapped hydrangeas and magnolias something fierce. If you are using a high nitrogen fertilizer, stop. Most hydrangeas don't need fertilization unless a soil test shows deficiencies or they are grown in pots. Too much nitrogen spurs green growth at the expense of flower development.

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  • Answered by
    BushDoctor on
    October 12, 2017
    Certified Expert
    A.

    It is best to remove when the roots have formed. Here is an article that will help: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-propagation.htm

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  • Answered by
    ejose1 on
    October 12, 2017
    A.

    Thank you BushDoctor for sending the link. I believe my hydrangeas have rooted well as it has shown new leaves. I planted them about second week of August, technically two months ago.

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