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Top Questions About Berms

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Questions About Berms

  • Answered by
    roseman on
    March 19, 2011
    A.

    As a general rule berms should be three times as wide as they are tall for them to hold up. A heavy clay soil is usually a great material for the berms. Planting some grass on them helps to prevent erosion as the roots get set into the berms they provide stability. Keep the berms free of leaves and other debris that will cause erosion or failure points, thus leaks!

    Stan

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  • Answered by
    Nikki on
    May 6, 2011
    Certified Expert
  • Answered by
    Nikki on
    May 19, 2011
    Certified Expert
    A.

    You can just pile the soil on top. The lack of sunlight will kill the grass. Here's an article that will help with designing the berm: https://www.gardeningknowhow.com/special/spaces/building-a-berm-how-do-i-make-a-berm.htm

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  • Answered by
    Heather on
    June 4, 2011
    Certified Expert
    A.

    They likely used an edging when they built the berm (and removed the edging after). You can go back and edge a berm to even it out much like you would edge a flower bed.

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  • Answered by
    Nikki on
    June 11, 2011
    Certified Expert
    A.

    Shredded bark/wood usually works well on berms, as it is less likely to wash down during heavy rains. You could also take out the weedy growth/grass and replace it with some low-maintenance native plants.

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  • Answered by
    amelia22brown on
    January 20, 2017
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  • Answered by
    Nikki on
    June 16, 2011
    Certified Expert
    A.

    Vinca minor is a popular choice for this kind of thing. It spreads quickly and holds hillsides together well. The plants in this article would also do well in berms: https://www.gardeningknowhow.com/special/slope-hill/hill-ground-cover.htm

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  • Answered by
    Nikki on
    June 29, 2011
    Certified Expert
    A.

    You can add soil around the tree to cover maple roots and covering it with a mulch that packs tightly, like shredded hardwood will help hold the soil in place. Landscape fabric probably won't help and it will prevent your deteriorating mulch from adding to the soil beneath. You should also be aware that those roots will keep growing and popping through.

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