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Top Questions About Four O’clock Flowers

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Questions About Four O’clock Flowers

  • Answered by
    Nikki on
    April 10, 2011
    Certified Expert
    A.

    As long as you leave enough space for the cukes to grow, it should not be a problem to replant your four o'clocks. Also, adding a layer of straw mulch around your plants should help insulate the ground and hold in heat when needed.

    Here is an article that you may find helpful if frost is expected: https://www.gardeningknowhow.com/plant-problems/environmental/frost-how-to-protect-your-plants.htm

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  • Answered by
    Becca062 on
    July 21, 2011
    A.

    Four o'clocks are often mid-summer bloomers. since I don't know where you are, it may be that it is not quite time for blooms there. You mention the foliage looks good, if this is the result of lots of nitrogen fertilizer, the plant may be directing energy into foliage instead of flowers. If so, stop fertilizing, keep them watered and blooms may soon appear.

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  • Answered by
    Nikki on
    August 2, 2012
    Certified Expert
    A.

    Yes, it helps to deadhead these plants, especially if you don't want them popping up everywhere else in the garden, as they are self-seeding in many places.

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  • Answered by
    Nikki on
    October 10, 2012
    Certified Expert
    A.

    You do not need to dig up these roots if you are concerned with winter damage. They should naturally die back over winter but will regrow once spring returns. In fact, some of the dropped seeds may even sprout new plants in various areas of the garden.

    As for root division, you should wait for spring to divide these plants and that's if they are outgrowing their boundaries and becoming crowded. You would simply dig up the clump and use a spade shovel (or whatever) to split the clump into as many sections as you require, each having their own root system. Then replant elsewhere.

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  • Answered by
    AnnsGreeneHaus on
    October 19, 2012
    A.

    The plant is possibly "Four O'Clocks" or Marabilis Jalapa. This article should help: http://www.gardensablaze.com/Perennials/Perennials4oclock.htm

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  • Answered by
    Heather on
    May 20, 2013
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  • Answered by
    AnnsGreeneHaus on
    June 12, 2013
    A.

    Absolutely, thin them. I'm not sure how well they will transplant in hot weather, but you could collect some mature seed and let them germinate where you want them.

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