Your lawn, right now, in Greene County, Ohio

This month in Greene County

Pick the current month on the wheel or in the list below to see what to do.

A twelve-month wheel around a map of Greene County, Ohio. Each month links to its page; the sun marks this month. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The sun marks this month. Tap any month for its page.

The whole year, month by month

Southwest Ohio is cool-season grass country, close to where the transition zone begins. For the grasses OSU recommends here, the big jobs (seeding and most feeding) land in September and October. Spring work runs by soil temperature more than by the date.

  1. Jan Rest the lawn and get the mower ready Service the mower
  2. Feb Dormant seeding can fill thin spots Consider dormant seeding
  3. Mar Clean up and watch the soil thermometer Clean up leftover leaves
  4. Apr Crabgrass preventer goes down by soil temperature Apply crabgrass preventer
  5. May Mow high and leave the clippings Mow at 3 to 4 inches
  6. Jun Keep the mower high as the heat builds Keep mowing high
  7. Jul Water it or let it go dormant Choose: water or dormancy
  8. Aug Scout for grubs and get ready to seed Scout for grubs
  9. Sep The best month of the year to seed and feed Seed or overseed
  10. Oct Feed, finish seeding, and treat weeds late in the month Finish seeding by October 30
  11. Nov Chop the leaves and make the last mow Keep chopping leaves
  12. Dec Put the mower away Clear the last leaves
When each job is in season
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Seeding not in season in season in season, depends on soil temperature not in season not in season not in season not in season in season best window in season not in season not in season
Fertilizer not in season not in season not in season in season in season not in season not in season not in season best window best window not in season not in season
Crabgrass preventer not in season not in season in season, depends on soil temperature best window not in season not in season not in season not in season not in season not in season not in season not in season
Grub prevention not in season not in season not in season in season in season in season in season in season not in season not in season not in season not in season
Grub rescue treatment not in season not in season not in season not in season not in season not in season not in season in season best window not in season not in season not in season
Broadleaf weeds not in season not in season not in season in season in season not in season not in season not in season not in season best window best window not in season
Core aeration not in season not in season not in season in season in season not in season not in season not in season in season in season not in season not in season
Leaves not in season not in season in season not in season not in season not in season not in season not in season not in season best window best window in season
  • Best window
  • In season
  • Start depends on soil temperature
  • This month

Swipe sideways to see the whole year.

Windows from Natural Organic Lawn Care (HYG-4031), including its lawn care calendar for Ohio, Seed Establishment in Fall (November 2024), Early Spring Lawn Care (March 2025), Efficient Lawn Care Practices to Help Protect Ohio's Waterways (HYG-5812), Should We Rethink Fall Fertilization? (November 2024), Annual Grassy Weed Control (March 2025), Buckeye Turf Newsletter, Winter 2025-2026, Japanese Beetle (ENT-46), BYGL Turfgrass Team Times (September 4, 2026), Wait Until Late October to Control Perennial Broadleaf Weeds (October 2024), Mid-Spring Weed Control Reminders (May 2025) (checked 2026-10-26). OSU’s Ohio lawn calendar notes that timing in southern Ohio may be 10 to 14 days earlier than in central Ohio, so use the month pages and soil temperature for exact timing.

Local basics

Four things worth knowing about lawns in Greene County. Sources and details are on the local notes page.

April 16Median last spring frost
First fall frost: October 28. NOAA 1991 to 2020 normals for Dayton International Airport.
Silt loamMost common soil
Miamian soils cover about a quarter of the county. Low, flat ground tends toward poorly drained silty clay loam.
Cool seasonGrass types
OSU recommends tall fescue, Kentucky bluegrass, perennial ryegrass and fine fescue for Ohio lawns.
From $30Soil test in Xenia
OSU Extension Greene County tests lawn soil. Results come with lime and fertilizer recommendations.

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