Yard Answers › lawn mowing
How short should I mow my grass?
Quick answer
Mow cool-season grass at 3–4 inches and never remove more than one-third of the blade at a time. Taller grass shades out weeds, holds moisture and builds deeper roots. Keep blades sharp and leave clippings on the lawn.
Step by step
- 1Set deck to 3–4 inches
- 2Follow the one-third rule
- 3Sharpen blades each season
- 4Mulch clippings back in
Gear that helps
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Common questions
How much does lawn mowing cost?
Typical suburban lots run about $35–$75 per visit.
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