Mowing too short or too often can weaken turf. Learn how height, frequency, sharp blades, and seasonal growth work together.
The short answer
Mow often enough to avoid removing more than one-third of the blade, and keep blades sharp.
Start with grass type
Tall fescue generally performs best when it keeps enough leaf surface to shade soil and support deeper roots.
Use the one-third rule
Avoid removing more than one-third of the blade in a single mowing. Large cuts shock turf and expose it to heat and weeds.
Property conditions vary. A local assessment is the best basis for treatment or cultural recommendations.