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  • Answered by
    Nikki on
    March 14, 2011
    Certified Expert
  • Answered by
    Heather on
    March 14, 2011
    A.

    Being able to root them in water with that kind of success is unusual. Normally yuccas root better in soil because they are desert plants and too much water can rot them. But, if it works for you, keep doing it. It sounds like you have the magic touch!

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  • Answered by
    Heather on
    March 15, 2011
    Certified Expert
    A.

    This is a sign that the plant is ill. Is the lower stem firm or soft?

    If it is soft, this indicates that rot has gotten into the stem. This is often caused by standing water or too much water. It may also be cold damage. Have you had a bad winter where you are? If it smells fishy, it may be bacterial soft rot. Unfortunately, there is no cure for soft rot.

    If it is firm, you may have the start of a fungus infection. Treat the plant with a fungicide.

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  • Answered by
    Nikki on
    March 14, 2011
    Certified Expert
    A.

    If the stems are still alive, they will regrow their leaves and there is also a chance the roots are alive and they will regrow from the roots. I would give them a month, and if you do not see growth by then, they are most likely dead. These articles will help you as well:
    https://www.gardeningknowhow.com/plant-problems/environmental/how-to-tell-if-a-plant-is-dead-and-how-to-recover-an-almost-dead-plant.htm
    https://www.gardeningknowhow.com/plant-problems/environmental/tips-for-saving-cold-damaged-plants.htm
    https://www.gardeningknowhow.com/ornamental/foliage/yucca/yucca-cold-weather.htm

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  • Answered by
    Nikki on
    March 18, 2011
    Certified Expert
  • Answered by
    Nikki on
    March 20, 2011
    Certified Expert
    A.

    It is highly unlikely that they will damage the retaining wall because their roots are not agressive in that way. But they are very hard to relocate once they become established. The roots go very deep and are hard to remove. If any roots are left, they will regrow from them.

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