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Top Questions About Grape Hyacinth

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Questions About Grape Hyacinth

  • Answered by
    Heather on
    June 21, 2015
    Certified Expert
    A.

    This is highly unusual. In fact, I've never heard of grape hyacinths blooming in summer at all. Are you certain that's what they are? As for making the plants more presentable after blooming, you can over plant the area with annual flowers, which bloom right after and will hide the unsightly growth of the gape hyacinths (as they need their foliage and should not be cut back).

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  • Answered by
    Downtoearthdigs on
    June 27, 2015
    A.

    Really, the only way is to be diligent about digging them up. Remove any flowers that the remaining ones produce to keep seeds from spreading and when you dig them up, make sure you have gotten all of the bulblets that were attached to the mother bulb.

    You can spot treat with Round-Up or boiling water but be aware that both herbicides will kill any plant material it touches, such as surrounding grass or plants that it splashes on.

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  • Answered by
    Downtoearthdigs on
    August 31, 2015
    A.

    I am afraid that they can only be eradicated by digging up the plants or using a broad spectrum herbicide, which would kill everything in the area. You can minimize their spread (so you don't feel you are fighting a losing battle) by removing the foliage and any seed pods. This will keep seeds from being spread and weaken the bulbs so they cant produce bulblets.

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  • Answered by
    Downtoearthdigs on
    September 8, 2015
    A.

    Yes, you can divide and transplant them just about any time, depending on your location. Grape hyacinths are quite hardy and take transplanting well as long as you provide the proper growing conditions and care. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/bulbs/grape-hyacinth/planting-and-care-of-grape-hyacinths.htm

    You can minimize their spread by removing the foliage and any seed pods. This will keep seeds from being spread and weaken the bulbs so they cant produce bulblets.

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  • Answered by
    Downtoearthdigs on
    June 15, 2016
    A.

    It sounds like your bulbs need to be divided, this should be done every three to five years.
    This link will help you.

    https://www.gardeningknowhow.com/ornamental/bulbs/grape-hyacinth/planting-and-care-of-grape-hyacinths.htm

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  • Answered by
    Downtoearthdigs on
    August 14, 2016
    A.

    The Grape Hyacinth are likely spreading and the smaller bulb likely are starting out as slightly more slender and lighter green leaves than the older established bulbs.
    I would certainly leave the the new bulbs to grow and flower.

    https://www.gardeningknowhow.com/ornamental/bulbs/grape-hyacinth/planting-and-care-of-grape-hyacinths.htm

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  • Answered by
    Downtoearthdigs on
    May 16, 2017
    A.

    Here is an article that will help you.

    https://www.gardeningknowhow.com/ornamental/bulbs/grape-hyacinth/planting-and-care-of-grape-hyacinths.htm

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