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Lawn Care3 min readMarch 8, 2026

How Often Should You Mow Your Lawn in Michigan?

Mowing frequency makes a bigger difference than most homeowners realize. Here's the right schedule and technique for Michigan lawns.

The One-Third Rule

The most important mowing principle is the one-third rule: never remove more than one-third of the grass blade in a single mowing. Cutting too much at once stresses the grass, weakens roots, and opens the door for weeds and disease.

If you're mowing at 3.5 inches, you should mow before the grass reaches 5 inches.

Mowing Frequency by Season in Macomb County

Michigan's cool-season grasses don't grow at the same rate year-round. Here's a general guide:

  • **April–May (spring flush):** Mow every 5–6 days. Grass grows fast as temperatures rise and rain is plentiful.
  • **June–July (summer heat):** Mow every 7–10 days. Growth slows in heat and drought.
  • **August–September (fall recovery):** Mow every 6–7 days. Cooler temps trigger a second growth surge.
  • **October–November (wind-down):** Mow every 10–14 days until growth stops.
  • Mowing Height Matters

    Most lawns in Macomb County should be mowed at 3 to 3.5 inches throughout the season. Taller grass:

  • Develops deeper roots
  • Shades the soil, reducing moisture loss
  • Crowds out weeds naturally
  • Tolerates heat and drought better
  • In fall, you can drop to 2.5 inches for the final mowing of the season to reduce the risk of snow mold over winter.

    Sharp Blades Make a Real Difference

    Dull mower blades tear grass rather than cut it cleanly, leaving ragged tips that turn brown and make the lawn look stressed. Sharpen blades at least once per season — twice if you're mowing regularly.

    Should You Mulch or Bag Clippings?

    Mulch when possible. Grass clippings return nitrogen to the soil and break down quickly when mowed at the right frequency. Only bag clippings if the lawn is overgrown or diseased.

    If you'd rather leave mowing to the pros, Tri-Point Landscaping offers weekly and bi-weekly lawn maintenance plans throughout Washington Township and Macomb County. Get a quote or call (586) 327-8080.

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