The preferred height of Colorado turfgrass species is two and one-half to three inches. Grass plants undergo less stress when the amount of blade left on the plant can still function efficiently. The minimum height is two inches. Mowing grass to a height of less than two inches can reduce drought and heat tolerance, and cause a higher incidence of insect, disease and weed pest problems. Scalping is never recommended, nor is there any reason to change mowing heights during the year. For more information please see PlantTalk script 1515, Mowing guidelines.

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