
Do You Really Need to Dethatch Your Lawn?
Thatch is the layer of organic material—mostly dead and decaying grass stems and roots—sitting between your green turf and the soil. A small amount of thatch (under 1/2 inch) is totally normal and can actually help retain moisture and insulate roots. However, if it builds up beyond about 3/4 to 1 inch, it can block nutrients, water,...
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