Grass will grow on top of crushed limestone. In fact, crushed limestone is commonly used to prepare soil and increase the pH level before installing a sod lawn. When limestone is mixed with the top layer of soil, the sod lawn will thrive and grow more efficiently.
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Susan Steele has been an avid writer for more than 25 years. Steele's articles covering gardening and other topics have been published on a variety of well-known websites, such as eHow, Garden Guides and Answerbag. She graduated from Ashland Community and Technical College with a degree in data-entry operation.