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Top Questions About Canna Lilies

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Questions About Canna Lilies

  • Answered by
    JeffreyGardener on
    March 26, 2018
    A.

    There's no way to get around it. If you want the kind of good growth that you require, then you will have to start your cannas indoors and set the started plants out into your garden in mid to late May.
    However, many Ohio gardeners still manage to get pretty good growth from their cannas by sampling planting the rhizomes in a very sunny (at least six hours of sun), south facing, warmest part of their garden. Some canna varieties grow better than (and are hardier than) others also. Contact your local Ohio State University (OSU) Cooperative Extension for assistance.

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  • Answered by
    BushDoctor on
    March 31, 2018
    Certified Expert
    A.

    There is nothing to be done at this time. They can crowd a little with no problem. Now, when it is time for them to go dormant, or if you have to force them then when they are dormant you can , then, split them up and store them. This article will help you when it comes that time: https://www.gardeningknowhow.com/ornamental/bulbs/canna/storing-canna-bulbs.htm

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  • Answered by
    BushDoctor on
    April 19, 2018
    Certified Expert
    A.

    It can be very hard to pinpoint the exact cultivar, as many of them are very similar. My best advice would be to take photos, or samples to your local extension service. They will be able to help more. This link will help you find the closest one to you: https://www.gardeningknowhow.com/extension-search/

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  • Answered by
    Downtoearthdigs on
    May 15, 2018
    A.

    If you do not see any signs of green, you may need to dig up the bulbs and check the health.
    Canna Lily are tropicals and are hardy left in the ground in zones 8/9-12.
    Depending on where you live, your zones are 5b thru 8a.
    Your Canna may not have survived your winter.

    https://www.gardeningknowhow.com/planting-zones/tennessee-planting-zones.htm
    https://www.gardeningknowhow.com/ornamental/bulbs/canna/storing-canna-bulbs.htm

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

    Unfortunately, with as cold as it has been this year, overall... This will happen. Many plants that are on the edge of their survival zone can die off from a harsh winter.

    More than likely these will have to be re-planted. You can dig them up now, and see if there is any life to them. If not, toss them out. If so, then re-plant in its spot.

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  • Answered by
    Downtoearthdigs on
    June 8, 2018
    A.

    Cannas are hardy in zones 8-12 and can stay in the ground. In colder zones you will need to lift the bulbs.
    If you see not signs of growth, they likely died in the cold.

    https://www.gardeningknowhow.com/ornamental/bulbs/canna/storing-canna-bulbs.htm

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  • Answered by
    BushDoctor on
    June 9, 2018
    Certified Expert
    A.

    Some cannas are cold hardy, and some are not. Are you certain that you have the same variety as those around you? Sometimes it is best to leave the dead growth until spring, just to give it some extra protection through the winter. Again, it can come down to the type you have purchased. Mulch will, definitely, help too.

    This article will give you more information on the care of cannas: https://www.gardeningknowhow.com/ornamental/bulbs/canna/canna-lily-care.htm

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