Lawn Care Guide for Clarke County
Clarke County, Mississippi
USDA SSURGO / PHZMData Story
About Lawn Care in Clarke County, Mississippi
Hard-Mode Lawn Care in Clarke
Clarke County faces a very difficult lawn environment with a score of 26.7, falling below the Mississippi average of 30.9. This Zone 8b county is one of the most demanding locations in the country for maintaining a standard lawn.
Humidity and High Heat Days
The county records 60.3 inches of rain and 73 extreme heat days annually, creating a high-stress environment. With 5,893 growing degree days, warm-season grasses will grow very quickly, demanding a rigorous and frequent mowing schedule.
Sandy Soil and Acidic pH
The soil is predominantly sandy at 57.3%, which aids drainage but causes nutrients to leach away quickly. You will likely need to add lime to correct the acidic 5.26 pH and move it closer to the ideal 6.0 range.
Watching for Abnormally Dry Signs
While not in severe drought, 84.1% of the county is currently classified as abnormally dry. Following 18 weeks of drought over the past year, residents should monitor their yards closely for signs of wilting and water deeply.
Optimizing Your Clarke County Yard
Centipedegrass is a great low-maintenance option for these sandy soils and the warm 8b climate. Aim to seed or sod after the March 18th frost to establish roots before the heavy summer heat arrives.
Lawn Difficulty Score
Top Grass Fit for Clarke County
Excellent match
Jonathan Green Black Beauty Ultra
Jonathan Green
Top cultivar score: 92/100
Zone 8b vs Tall Fescue's 3–8 band.
Soil pH 5.26031426620973 vs Tall Fescue's 5.5–6.5 window.
Precipitation 60.336666666666666" + 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 Clarke County, USDA zone 8b, soil pH 5.3, Jonathan Green Black Beauty Ultra scores 92/100 — a strong zone match, adequate moisture, and a long enough establishment window.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Best Grass Seed for Clarke County
Zone 8b • Cool- and warm-season grasses thrive here.
Find Seeds for Zone 8bClimate Snapshot
Annual Precip
60.3"
Growing Degree Days
5,892.8
Base 50F
Last Spring Frost
03/18
First Fall Frost
11/16
Days Above 95F
73
Hardiness Zone
8b
Seeding Calendar — Zone 8B
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
- Raise mowing height to reduce heat stress
- 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
- Overseed with ryegrass for winter color
Watering Deficit Calculator
Monthly Deficit
0.0"
inches of water
Monthly Water
0
gallons
Estimated Monthly Cost
$0.00
at $0.008/gallon average
Estimates based on 60" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Clarke County
Excess Moisture & Fungal Disease
High annual rainfall (60 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.
Acidic Soil
Soil pH of 5.3 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.
Learn more about regional lawn challenges at The Lawn Report.
Lawn Care Advisory: Clarke County
Lawn Verdict
Clarke County falls in USDA hardiness zone 8b, a favorable range for both cool- and warm-season grasses. with winter lows reaching around 15.0°F. and 5,892.8 growing degree days annually, supporting vigorous warm-season lawns. High annual precipitation (60.3 inches) supports lush growth but increases disease pressure.
Seasonal Breakdown
Wait until after March 18 to seed or overseed; soil temperatures should consistently reach 50-55°F. Summers are warm (July averages 81.1°F); monitor for heat stress and water when soil is dry 2-3 inches down. With 72.85 days above 90°F annually, warm-season grasses recover faster from summer stress than cool-season types. Aerate and overseed cool-season lawns by early fall, well before November 16; this is the best renovation window. Mild winters (January averages 46.7°F) allow year-round mowing for warm-season lawns and minimal dormancy.
Watering Guidance
Clarke County receives abundant rainfall (60.3 inches annually), so lawns rarely need supplemental irrigation. Currently, 100.0% of the county is in abnormally dry according to the US Drought Monitor. Standard warm-season watering of 1 inch per week is usually adequate during summer. High heat accumulation means warm-season grasses use water aggressively — monitor soil moisture regularly.
Regional Context
Clarke County is close to the Mississippi average temperature, USDA zone 8b 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 Clarke County in?
What is the best grass for Clarke County?
How much rainfall does Clarke County get?
What is the soil pH in Clarke 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 Clarke County