In southern Indiana, you should mow your lawn once per week during the peak growing season (April through October) and every 10 to 14 days during early spring and late fall when growth slows. The exact schedule depends on your grass type, rainfall, and whether you fertilize.
Why Mowing Frequency Matters Mowing too infrequently lets grass grow tall and then shocks it when you cut. The one-third rule is the gold standard: never remove more than one-third of the grass blade height in a single mow. For a target height of 3.5 inches, that means mowing before it reaches about 5 inches.
Spring (March–May) Cool-season grasses like tall fescue and bluegrass — the dominant lawn types in Scott County — grow aggressively once soil temperatures hit 50°F. By mid-April, weekly mowing is usually necessary. Early March might only need a cut every two weeks.
Summer (June–August) Southern Indiana summers can be hot and dry. During drought stress, grass growth slows and you may only need to mow every 10 to 14 days. Raise your mowing height to 3.5–4 inches in summer — taller grass shades the soil, retains moisture, and crowds out weeds.
Fall (September–November) Growth rebounds in September as temperatures cool and rain returns. Weekly mowing resumes through October. Gradually lower your cutting height on the last few mows of the season to reduce snow mold risk.
Winter (December–February) No mowing needed. Indiana lawns go dormant and stop growing once sustained temperatures drop below 40°F.
Pro Tips for Scott County Lawns Keep mower blades sharp — dull blades tear grass and create brown, ragged tips that invite disease. Mulch clippings back into the lawn rather than bagging them; the clippings return nitrogen to the soil and reduce fertilizer needs by up to 25%.
If keeping up with weekly mowing feels like a chore, Kirk's Mowing & Landscaping offers reliable weekly lawn care service throughout Scottsburg, Austin, and the surrounding Scott County area. Call (812) 820-2701 for a free estimate.
