Lawn Care Guide for Clinton County

Clinton County, Ohio

Data Story

About Lawn Care in Clinton County, Ohio

Ohio's Gold Standard for Lawns

Clinton County stands out with an exceptional lawn difficulty score of 86.5, one of the best in the state. This Zone 6b region is significantly easier to manage than the national average and the Ohio state average of 76.0. It provides an elite environment for those looking to maintain a pristine, lush lawn.

Favorable Temperatures and Ample Rain

The county enjoys 42.8 inches of annual precipitation, which is ideal for maintaining moisture without saturation. Even better, it only averages 13 extreme heat days, which is lower than the state average and helps prevent summer dormancy. This combination creates a stress-free environment for cool-season grasses.

Solid Loam and Perfect Drainage

The well-drained silt loam in Clinton County features a 6.37 pH, which is near-perfect for grass health. With 20.3% clay and 22.3% sand, the soil offers a balanced structure that promotes deep root systems. This foundation is a primary reason why the county's lawn score is so impressively high.

Consistent Moisture All Year

With only 5 weeks in drought over the last year and current status at 0%, Clinton County lawns are rarely under moisture stress. The well-drained soil ensures that when heavy rains do come, they don't drown the grass. Homeowners can largely rely on natural rainfall, using irrigation only during the hottest weeks.

Prime Seeding Conditions in Zone 6b

This is an ideal area for high-quality turf-type tall fescues and bluegrass blends. The growing window is generous, starting after the April 20 last frost and continuing through the October 22 first frost. With such high environmental scores, your lawn is likely to be the envy of the neighborhood with just basic care.

Lawn Difficulty Score

18/100
Easy
Rainfall0/100
Soil Quality0/100
Temperature7/100
Growing Season40/100
Drought10/100

Soil Summary

pH

6.4

Texture

Silt loam

Drainage

Well drained

Organic Matter

2.3%

View full soil details

Recommended Grasses

Cool-Season

Kentucky Bluegrass

Poa pratensis

Drought: 2/5Shade: 2/5
Suitability70%
View Seeds
Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability70%
View Seeds
Cool-Season

Perennial Ryegrass

Lolium perenne

Drought: 2/5Shade: 2/5
Suitability70%
View Seeds
Cool-Season

Fine Fescue

Festuca spp.

Drought: 3/5Shade: 5/5
Suitability70%
View Seeds

Climate Snapshot

Annual Precip

42.8"

Growing Degree Days

3,320.4

Base 50F

Last Spring Frost

04/20

First Fall Frost

10/22

Days Above 95F

13

Hardiness Zone

6b

Seeding Calendar — Zone 6B

J
F
M
A
M
J
J
A
S
O
N
D
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Optimal (cool)
Acceptable (cool)
Optimal (warm)
Acceptable (warm)

Seasonal Lawn Care Checklist

Spring

  • Apply pre-emergent herbicide when soil reaches 55F
  • Begin mowing when grass reaches 3 inches
  • Start irrigation if rainfall is below 1 inch/week
  • Soil test every 2-3 years — adjust lime or sulfur as needed

Summer

  • Mow at recommended height weekly
  • Water deeply 1-2 times per week (1 inch total)
  • Avoid fertilizing cool-season grasses in peak heat
  • Scout for grubs and treat if >10 per sq ft

Fall

  • Overseed warm-season lawns if thinning
  • Apply fall fertilizer (highest N application for cool-season)
  • Continue mowing until growth stops
  • Rake or mulch leaves to prevent smothering

Winter

  • Apply pre-emergent for winter weeds
  • Service mower and sharpen blades
  • Plan spring soil amendments based on fall test
  • Keep lawn clear of debris

Watering Deficit Calculator

50020,000 sq ft

Monthly Deficit

0.2"

inches of water

Monthly Water

746

gallons

Estimated Monthly Cost

$5.97

at $0.008/gallon average

Estimates based on 43" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com

Data sourced from USDA SSURGO, NOAA Climate Normals (1991-2020), USDA Plant Hardiness Zone Map, and US Drought Monitor. Lawn difficulty scores and grass recommendations are estimates for informational purposes only.