Sod installation - Knowledgebase Question

woodside, NY
Question by shasplace
April 25, 2009
What is the proper method to prepare a barren lawn for sod installation?


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Answer from NGA
April 25, 2009

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When you prepare the soil for a lawn, your main goal is to provide a good environment for developing deep rooted grass plants. The faster and deeper the roots can grow, the better your chance of success with the sod. Roots grow best into a loose, organic soil that is evenly moist yet not sopping wet. You will need to loosen the soil as deeply as possible, add organic matter such as compost, possibly add amendments such as lime or fertilizer (depending upon a soil test), then smooth the soil and rake the surface to a fine texture. The proportions of organic matter and amendments really depend on the native soil. the only way to tell is to run some soil tests and then work according to the results. Once the sod is laid, it needs to have good contact with the soil. You may want to roll it to make sure. You will then need to keep it evenly moist but not sopping wet until the roots have grown down into the soil. If the sod dries out before it has rooted, it will die. Your county extension should be able to help you with the tests and interpreting the results. They may also have recommendations about laying sod and about which grass types do well in your local soil and local growing conditions. They may also have some sense about the probabilities of possible watering restrictions in your area this summer, since this is so important when starting a new lawn. Ideally lawns are installed in early spring. Good luck with your new sod.

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