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Questions About Hydrangea Plants

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  • Answered by
    Nikki on
    August 7, 2015
    Certified Expert
    A.

    Some hydrangea grow flowers off of new wood and some of them will grow flowers off of old wood. So this could be a pruning issues. It could also be too much nitrogen/too little phosphorus. For more information on hydrangea blooming issues, please visit the following link:
    https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm

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  • Answered by
    Nikki on
    August 7, 2015
    Certified Expert
    A.

    I would suggest bone meal to boost your phosphorus level in the soil, as this may be low. Here is more information on reasons hydrangea won't bloom: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm

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  • Answered by
    Downtoearthdigs on
    August 11, 2015
    A.

    Weather can be harsh on the Hydrangeas when the wind and rain combine with very heavy flower heads.

    Little can be done now but make sure the plant is growing in good conditions to insure healthy stems.
    Over fertilizing can cause weakened stems.

    Also next spring you can use a round plant support.
    Here is a link with more information.

    https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/drooping-hydrangea-plants.htm

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  • Answered by
    Downtoearthdigs on
    August 17, 2015
    A.

    How moist is your soil? It almost sounds like root rot, especially since you can pull the stem out so easily. Here is more information: https://www.gardeningknowhow.com/plant-problems/disease/root-rot-in-garden-plants.htm

    As for the voles being an issue (if root rot is not to blame), I don't think they would be feeding on your plant roots but if nearby critters like chipmunks or moles have any burrows or tunnels around your plants, the roots may not be able to take up much needed water or nutrients, causing them to die.

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  • Answered by
    Downtoearthdigs on
    August 31, 2015
    A.

    You likely have to much Nitrogen in the soil. This will cause lots of lush green and little to not flowering.

    Adding Phosphorous with a fertilizer like Bone Meal will help.

    Here are some links to help you.

    https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm
    https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm

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  • Answered by
    Downtoearthdigs on
    August 31, 2015
    A.

    Early fall, so you are right on schedule.

    Here is a link with more information.

    https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-propagation.htm

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