LawnByCounty

Lawn Care Guide for Carroll County

Carroll County, Ohio

USDA SSURGO / PHZM

Data Story

About Lawn Care in Carroll County, Ohio

Navigating Carroll County's Unique Challenges

With a difficulty score of 66.8, Carroll County is more challenging for lawn care than the Ohio state average of 76.0. While still easier than the national median of 50.0, the Zone 6b climate requires more intentional maintenance. Homeowners here need a more hands-on approach to achieve a golf-course finish.

Mild Summers and Mystery Rainfall

Carroll County stays relatively cool with only 15 extreme heat days per year, matching the state average. While specific annual precipitation data is limited for this area, the mild July average of 71.3°F helps prevent grass from burning out mid-summer. This cooling trend allows for a more relaxed watering schedule during the peak of the season.

Correcting Acidic Silt Loam

The primary challenge here is a soil pH of 5.53, which is significantly more acidic than the ideal 6.0-7.0 range. This silt loam is somewhat poorly drained and contains 16.5% clay, suggesting a need for regular lime applications. Amending the soil to balance pH will unlock nutrients that are currently trapped by the acidity.

Resilient Turf Through Dry Spells

The county has seen 7 weeks of drought in the last year, but currently, all areas are clear of drought status. Because the soil is somewhat poorly drained, it may hold onto moisture longer during these dry periods, providing a small safety net. Mulching clippings back into the lawn can help retain that precious soil moisture.

Seeding for Success in Zone 6b

Fine fescues are well-suited for the lower July temperatures and acidic soil tendencies of Carroll County. Since local frost dates are variable, aim to seed in late August or early September when the air cools but the soil remains warm. Proper soil prep and pH correction are the two biggest keys to success here.

Lawn Difficulty Score

28/100
Easy
Rainfall40/100
Soil Quality25/100
Temperature7/100
Growing Season5/100
Drought13/100

Soil Summary

pH

5.5

Texture

Silt loam

Drainage

Somewhat poorly drained

Organic Matter

8.0%

View full soil details

Top Grass Fit for Carroll County

100/ 100

Excellent match

Jonathan Green Black Beauty Ultra

Jonathan Green

Top cultivar score: 100/100

USDA Zone Match100

Zone 6b vs Tall Fescue's 3–8 band.

Soil pH Fit100

Soil pH 5.53235899777902 vs Tall Fescue's 5.5–6.5 window.

Moisture fit was excluded for Carroll County — county soil/precipitation data was unavailable, so remaining factors were reweighted.

If you spend any time on lawn care forums, Reddit's r/lawncare, or YouTube lawn channels, one name comes up more than any other: Jonathan Green Black Beauty Ultra. It's practically a cult favorite, and the label, cultivar story, and long-running owner reports explain why. The secret is in the genetics.
From The Lawn Report editorial review • rated 4.7/5
Shop Jonathan Green Black Beauty Ultra

In Carroll County, USDA zone 6b, soil pH 5.5, silt loam, Jonathan Green Black Beauty Ultra scores 100/100 — a strong zone match.

Recommended Grasses

Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

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

Fine Fescue

Festuca spp.

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

Kentucky Bluegrass

Poa pratensis

Drought: 2/5Shade: 2/5
Suitability55%
View Seeds
Cool-Season

Perennial Ryegrass

Lolium perenne

Drought: 2/5Shade: 2/5
Suitability55%
View Seeds

Best Grass Seed for Carroll County

Zone 6bCool- and warm-season grasses thrive here.

Find Seeds for Zone 6b

Climate Snapshot

Annual Precip

N/A

Growing Degree Days

N/A

Base 50F

Last Spring Frost

N/A

First Fall Frost

N/A

Days Above 95F

15

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

1.2"

inches of water

Monthly Water

3,882

gallons

Estimated Monthly Cost

$31.06

at $0.008/gallon average

Estimates based on 30" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Lawn Care Advisory: Carroll County

Lawn Verdict

Carroll County sits in USDA hardiness zone 6b, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -5.0°F.

Seasonal Breakdown

Target mid-to-late spring for seeding once soil temperatures stabilize above 50°F. Cool summers (July averages 71.3°F) reduce heat stress — maintain regular mowing and moderate watering. Fall is the prime seeding season here; aerate, overseed, and fertilize cool-season grasses before October. Cool winters (January averages 26.4°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

Currently, 100.0% of the county is in abnormally dry according to the US Drought Monitor. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.

Regional Context

Carroll County is close to the Ohio average temperature, USDA zone 6b helps guide grass selection compared to neighboring counties.

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

Frequently Asked Questions

What USDA hardiness zone is Carroll County in?
Carroll County is located in USDA hardiness zone 6b, based on the 2023 USDA Plant Hardiness Zone Map. This zone helps determine which grass species are most likely to thrive in the county's climate.
What is the best grass for Carroll County?
Tall Fescue is the top recommendation for Carroll County, with a match score of 70/100. It grows best in zones 3a–8b and requires 20–30 inches of water annually.
What is the soil pH in Carroll County?
The average soil pH in Carroll County is 5.5, based on USDA SSURGO data. This acidic soil may benefit from lime application to raise pH for optimal grass growth.

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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor