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Top Questions About Iris Plants

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Questions About Iris Plants

  • Answered by
    MichiganDot on
    March 23, 2018
    A.

    Yes, you can move them now. Iris doesn't bloom well when the clump gets crowded. When you move them, divide the clump. Add some compost to the soil and splay the roots outward and downward.

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  • Answered by
    MichiganDot on
    March 31, 2018
    A.

    Starfish iris (not a true iris) is native to South Africa and is hardy in zones 9-11. https://www.gardeningknowhow.com/ornamental/flowers/starfish-iris/growing-starfish-iris-plants.htm

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  • Answered by
    BushDoctor on
    April 2, 2018
    Certified Expert
    A.

    I would only cut back anything that is fully dead. Only leaves... Do not cut the main stem. Just remove any dead leaves, and leave the rest of the plant to grow.

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  • Answered by
    Downtoearthdigs on
    April 12, 2018
  • Answered by
    MichiganDot on
    April 16, 2018
    A.

    Replant them immediately if you there is to be any hope of bloom later this summer. If you don't care about that, rhizomes may be stored. Here are 2 articles that I hope answer your questions. https://www.gardeningknowhow.com/ornamental/bulbs/iris/dividing-transplanting-iris.htm
    https://www.gardeningknowhow.com/ornamental/bulbs/iris/storing-iris-rhizomes.htm

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  • Answered by
    BushDoctor on
    April 24, 2018
    Certified Expert
    A.

    It is likely that there was a seed dropped from an openly pollinated variety, and that this plant was more vigorous. They can easily take over existing beds, so this is the most likely answer to this. To get some color back, you will have to either wait until they are pollinated by something else, or replant the bed with your preferred color. They will usually all revert if the nearby pollen remains.

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  • Answered by
    BushDoctor on
    April 30, 2018
    Certified Expert
    A.

    It is very possible that the area does not have enough phosphorus and potassium to sustain proper flowering. Do you fertilize every year? Can you include photos? This can help me to see what is going on a little better.

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