Lawn Care Guide for Holmes County
Holmes County, Ohio
USDA SSURGO / PHZMThis week in Holmes County · next up in about 3 weeks (Aug 18)
Get ready to seed cool-season grass — the best fall window is about to open.
Data Story
About Lawn Care in Holmes County, Ohio
Establishment Success in Holmes
Holmes County scores a 75.1 for lawn ease, just a hair below the state average but still very manageable. This Zone 6a area provides a reliable environment for homeowners to establish permanent, healthy turf.
Perfect Precipitation for Grass
Annual precipitation of 40.7 inches provides nearly exactly what a healthy lawn needs to thrive. With only 12 extreme heat days, grass avoids the worst of the summer scorch, though 2,884 growing degree days suggest a moderate growth pace.
Utilizing Well-Drained Loam
The well-drained silt loam is an excellent foundation for root systems, though the 5.56 pH indicates a need for alkalizing amendments. A relatively low clay content of 15.7% helps prevent the soil from becoming overly compacted.
Consistent Moisture for Turf
With 0.0% of the area currently in drought, the county remains resilient despite 6 weeks of dry conditions last year. To maintain this health, mow high to encourage deeper root systems that can tap into the silt loam moisture.
Seeding Hardy Cool-Season Grass
Hardy cool-season grasses are ideal for the Zone 6a winters in Holmes County. Wait until after the May 2 frost to seed, and keep an eye on the early October 14 fall frost for end-of-season winterization.
Lawn Difficulty Score
Top Grass Fit for Holmes County
Excellent match
Jonathan Green Black Beauty Ultra
Jonathan Green
Top cultivar score: 100/100
Zone 6a vs Tall Fescue's 3–8 band.
Soil pH 5.563923939011 vs Tall Fescue's 5.5–6.5 window.
Precipitation 40.73" + soil AWC vs Tall Fescue's 20–30" need.
Growing-degree-days + frost window vs a intermediate-difficulty establishment.
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.
In Holmes County, USDA zone 6a, soil pH 5.6, silt loam, Jonathan Green Black Beauty Ultra scores 100/100 — a strong zone match, adequate moisture, and a long enough establishment window.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Choosing grass in Holmes County
Your loamy soil and cool-season conditions narrow the field fast. Here's how to think it through for Holmes County — then the specific pick.
- Best cool-season grass seed for fallYour prime seeding window and the top cool-season picks.
- How grass cultivars get scored (NTEP)The independent trial data behind every species ranking.
- Tall Fescue, explainedTraits, care, and where Tall Fescue wins — the species behind your top match.
Top match for Holmes County: Tall Fescue
See the full breakdownPremium Grass Seeds is a sister site in our network. We may earn a commission from qualifying purchases made through its retailer links — this never affects your price. Guidance here reflects your county’s climate and soil data, not hands-on testing.
Climate Snapshot
Annual Precip
40.7"
Growing Degree Days
2,883.6
Base 50F
Last Spring Frost
05/02
First Fall Frost
10/14
Days Above 95F
12
Hardiness Zone
6a
Seeding Calendar — Holmes County
Personalized to this county’s frost dates — a 165-day growing season. Windows below are computed from local last-spring and first-fall frost normals, so they differ county-to-county even within USDA Zone 6A.
Plan your seeding — Holmes County
Pick a grass and a goal to get a personalized schedule anchored to this county’s frost dates.
- 1Prepare the seedbedAug 4 – Aug 17
Mow low, dethatch or rake, and loosen the top ½ inch of soil so seed makes good contact.
- 2Sow seedAug 18 – Sep 15
Best window to sow Tall Fescue in Holmes County, anchored to your local frost dates.
- 3EstablishSep 16 – Oct 13
Protect young seedlings: mow only after they reach ~3 inches and hold off on weed pre-emergents until established.
Loam holds moisture evenly — water about ¼ inch once or twice daily to keep the top inch of the seedbed consistently moist until germination.
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
Monthly Deficit
0.4"
inches of water
Monthly Water
1,160
gallons
Estimated Monthly Cost
$9.28
at $0.008/gallon average
Estimates based on 41" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Lawn Care Advisory: Holmes County
Lawn Verdict
Holmes County sits in USDA hardiness zone 6a, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -10.0°F. and 2,883.6 growing degree days, sufficient for most common turfgrasses. Moderate rainfall (40.7 inches) generally supports healthy lawns with minimal supplemental watering.
Seasonal Breakdown
Wait until after May 2 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 72.0°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 14; this is the best renovation window. Cool winters (January averages 26.8°F) mean slow or dormant growth; keep debris off the lawn.
Watering Guidance
With 40.7 inches of annual rainfall, established lawns typically need watering only during extended dry spells. 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
Holmes County is close to the Ohio average temperature, USDA zone 6a helps guide grass selection compared to neighboring counties.
Dig deeper into Holmes County
Holmes County is a USDA Zone 6A, loamy-soil, cool-season county. Explore the data that shapes its lawn:
Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com
Frequently Asked Questions
What USDA hardiness zone is Holmes County in?
What is the best grass for Holmes County?
How long is the growing season in Holmes County?
How much rainfall does Holmes County get?
What is the soil pH in Holmes County?
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.
Explore more data for Holmes County