Lawn Care Guide for Jefferson Davis County
Jefferson Davis County, Mississippi
USDA SSURGO / PHZMData Story
About Lawn Care in Jefferson Davis County, Mississippi
Overcoming Lawn Challenges in Jefferson Davis County
Jefferson Davis County earns a lawn difficulty score of 38.3, making it tougher than the national median of 50.0 but significantly easier than the Mississippi state average of 30.9. Located in USDA Hardiness Zone 8b, your lawn must withstand mild winters and humid, subtropical summers.
High Precipitation Drives Grass Growth
This county receives a generous 61.5 inches of annual precipitation, which is well above the ideal range of 30-50 inches. While specific heat data is unavailable, this high rainfall means you may need to mow more frequently to keep up with rapid growth. Efficient drainage is key to preventing root rot during wet Mississippi seasons.
Neutralize Highly Acidic Soil for Success
With a soil pH of 5.01, the ground here is far more acidic than the ideal 6.0 to 7.0 range for most grasses. The soil composition is 53.1% sand and 10.9% clay, creating a texture that likely loses nutrients quickly. You should apply lime to raise the pH and improve nutrient uptake for a greener lawn.
Stable Moisture Levels Maintain Turf Health
The county experienced only one week of drought over the past year, and currently, 0% of the area faces even abnormally dry conditions. This stability provides a great foundation for consistent growth without heavy irrigation needs. Continue monitoring soil moisture during summer peaks to maintain this healthy resilience.
Choose Heat-Tolerant Turf for Zone 8b
Warm-season grasses like Centipede or St. Augustine thrive in this climate and tolerate the local acidity better than most. Aim to plant your sod or seed in the late spring once the threat of frost passes to take advantage of the long growing season. Your efforts will pay off with a lush, resilient Mississippi lawn.
Lawn Difficulty Score
Top Grass Fit for Jefferson Davis County
Excellent match
Jonathan Green Black Beauty Ultra
Jonathan Green
Top cultivar score: 89/100
Zone 8b vs Tall Fescue's 3–8 band.
Soil pH 5.009442556029 vs Tall Fescue's 5.5–6.5 window.
Precipitation 61.48" + soil AWC vs Tall Fescue's 20–30" need.
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 Jefferson Davis County, USDA zone 8b, soil pH 5.0, Jonathan Green Black Beauty Ultra scores 89/100 — a strong zone match and adequate moisture.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Best Grass Seed for Jefferson Davis County
Zone 8b • Cool- and warm-season grasses thrive here.
Find Seeds for Zone 8bClimate Snapshot
Annual Precip
61.5"
Growing Degree Days
N/A
Base 50F
Last Spring Frost
N/A
First Fall Frost
N/A
Days Above 95F
N/A
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 61" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Jefferson Davis County
Excess Moisture & Fungal Disease
High annual rainfall (61 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.
Acidic Soil
Soil pH of 5.0 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: Jefferson Davis County
Lawn Verdict
Jefferson Davis 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. High annual precipitation (61.5 inches) supports lush growth but increases disease pressure.
Seasonal Breakdown
Spring planting can begin as early as late February or March in this warm zone. During summer, mow high and water deeply to encourage deep root growth. Fall aeration and overseeding set the lawn up for winter; apply winterizer fertilizer after the last mow. Winter care focuses on clearing debris and protecting dormant turf from traffic damage.
Watering Guidance
Jefferson Davis County receives abundant rainfall (61.5 inches annually), so lawns rarely need supplemental irrigation. Currently, 100.0% of the county is in abnormally dry according to the US Drought Monitor.
Regional Context
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 Jefferson Davis County in?
What is the best grass for Jefferson Davis County?
How much rainfall does Jefferson Davis County get?
What is the soil pH in Jefferson Davis 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 Jefferson Davis County