It may seem a good idea to cut your grass as short as you can but that is a myth that is more harmful that helpful.

For a thicker, greener, and more weed and crabgrass free lawn, we recommend your mowing height to be 3 ½ to 4 inches. Cutting your lawn short or scalping your lawn promotes weeds, crabgrass, and disease problems. It also leads to poor turf density and color.