Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 6, 2011
These articles should help: https://www.gardeningknowhow.com/special/spaces/building-a-berm-how-do-i-make-a-berm.htm
https://www.gardeningknowhow.com/special/spaces/creating-and-using-berms-in-the-landscape.htm
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