All grass varieties should be mowed at or near their optimal mowing height. This will keep grass healthy and dense (highest number of shoots per unit area). Higher density means more soil surface shading, which severely restricts the germination of many annual grassy and broadleaf weeds. Maintaining a dense and healthy lawn is the best weed control.

Grass Variety	Mowing Height Range (inches)	Optimal Mowing Height (inches)	Normal Mowing Frequency (days)
Buffalograss	2.0 — 4.0	2.5	7 — 14
Centipedegrass	1.5 — 2.5	2.0	7 — 14
Common Bermudagrass	1.0 — 3.0	1.5	3 — 7
Hybrid Bermudagrass	0.75 — 2.0	1.0	3 — 7
Kentucky Bluegrass	1.5 — 3.0	2.0	5 — 7
St. Augustinegrass	2.5 — 4.0	2.5	5 — 7
Tall Fescue	2.0 — 4.0	2.5	7 — 14
Texas Bluegrass (Reveille)	1.5 — 3.0	2.0	5 — 7
Zoysia japonica (coarse bladed Zoysia)	1.0 — 2.5	1.5	7 — 10
Zoysia matrella (fine bladed Zoysia)	0.75 — 2.5	1.0	5 — 7

American Lawns can help you if you live in one of these states: Alabama, Arkansas, Connecticut,Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas,Vermont, Virginia, Washington, West Virginia, or Wisconsin.