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Lawn Care
kris_shifler

Jackhammering Limestone?

10 years ago

So I've run into an issue with my lawn reno that I knew I was going to have to deal with, but have been ignoring for a while. I live at the top of a hill and I know there is a vein of limestone under the rear portion of my backyard (it took 3 days of hammering with a jackhammer on a skid loader to excavate for our patio). The soil back there is still fairly deep in most places, and I dug out a couple big rocks yesterday, but I have 6-8 spots where I can see limestone poking out of the ground. I was hoping to say fck it and just see what the grass does around those areas, but I don't think I can. Contemplating a jackhammer rental this weekend and working down to around 12" on those limestone spots and filling with topsoil.

Has anyone else had to do something like this? Any pointers? Is 12" deep enough?

Featured Answer
  • 10 years ago

    Where do you live?

    What kind of grass are you growing?

    I used to live 3 streets away from a limestone quarry in San Antonio. Back in the 30s the builders used crushed limestone as a fill and base for landscaping. The soil depth down to solid stone ranged from -1 inch (exposed above the ground) down to about 18 inches at the deepest. If you go 12 inches deep it should be fine assuming you don't have any underground bowls that will hold water for months at a time.

    Comments (10)

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