Uneven lawn - Knowledgebase Question

Auburn, In
Question by wrwible
March 24, 2010
We have rolled the lawn in the spring, but the lawn is extremely uneven. Doesn't seem to be a problem with moles. We had the entire lawn re-graded three years ago, but problem is back. It is hard to walk through the lawn without twisting an ankle. There are some large trees that could be affecting sod. I am about ready to give up -- or remove topsoil and start again.

Answer from NGA
March 24, 2010


The problem may be from tree roots or it might just be a natural result of the freezing/thawing cycle winter and spring bring. Ground can heave and become wavy when it freezes and thaws. It will be relatively easy to fill in those low spots. Use top soil and spread it over the low areas, adding only about an inch at a time and allowing the grass to grow up through it. Once it does, you can add another inch of topsoil or sand. Depending upon how low the spots are, you may only need to do this two or three times, being sure to allow the grass to grow up over the fill before spreading more topsoil. Eventually the lawn will be even and you'll have no low spots. If you have extensive areas, you can drag a 2X4 over the topsoil to help level large areas. After dragging and leveling the top soil, water it down well to help hold it in place and to encourage the grass to grow up through it. Best wishes with your lawn!

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