Yard and Garden: Proper Lawn Mowing

AMES, Iowa — A lawn’s overall appearance is directly related to the maintenance provided. Iowa State University Extension and Outreach horticulturists offer tips on lawn mowing this week. For more information, contact the ISU Hortline at 515-294-3108 or hortline@iastate.edu.

What is the proper mowing height when mowing the lawn?  

Mow Kentucky bluegrass lawns at a height of 2.5 to 3 inches during the cool weather of spring and fall. Mow Kentucky bluegrass lawns at a height of 3 to 3.5 inches in summer (June, July and August). A higher mowing height in summer helps to cool the crowns of the turfgrass plants and provides more leaf area for photosynthesis during the stressful warm summer months.

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