LawnByCounty

Lawn Care Guide for Alcorn County

Alcorn County, Mississippi

USDA SSURGO / PHZM

This week in Alcorn County · next up in about 8 weeks (Sep 19)

Overseeding season is approaching.

Data Story

About Lawn Care in Alcorn County, Mississippi

Standard Mississippi Growing Conditions

Alcorn County's lawn difficulty score of 31.8 aligns closely with the state average of 30.9 but trails the national median. This Zone 8a region presents a moderate challenge for homeowners looking to maintain lush, green turf year-round.

Lower Heat Load with High Rainfall

With 60 extreme heat days, Alcorn is cooler than many Mississippi neighbors, though it still sees 58.8 inches of annual rain. This high moisture level combined with 4,963 growing degree days means your mowing schedule will peak in early summer.

Acidic Soil Needs Lime Treatment

The soil pH of 5.36 is significantly more acidic than the ideal 6.0 to 7.0 range, likely necessitating lime applications to unlock nutrients. The soil contains 34.2% sand, which helps with drainage but may require more frequent watering during dry spells.

Managing Long-Term Dry Periods

The county has spent 25 weeks in drought over the last year, even though severe conditions are currently at 0.0%. Because 94.3% of the area remains abnormally dry, residents should monitor soil moisture closely to prevent grass dormancy.

Spring Seeding Begins in April

Zoysia and Centipede grass thrive in the Zone 8a climate of Alcorn County. Aim to begin your lawn projects after the last frost on April 2 to give your turf plenty of time to mature before the fall frost arrives in early November.

Lawn Difficulty Score

26/100
Easy
Rainfall28/100
Soil Quality20/100
Temperature30/100
Growing Season15/100
Drought48/100

Soil Summary

pH

5.4

Texture

N/A

Drainage

N/A

Organic Matter

1.9%

View full soil details

Top Grass Fit for Alcorn County

92/ 100

Excellent match

Jonathan Green Black Beauty Ultra

Jonathan Green

Top cultivar score: 92/100

USDA Zone Match100

Zone 8a vs Tall Fescue's 3–8 band.

Soil pH Fit60

Soil pH 5.36415462304183 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 58.82" + soil AWC vs Tall Fescue's 20–30" need.

Establishment Window100

Growing-degree-days + frost window vs a intermediate-difficulty establishment.

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In Alcorn County, USDA zone 8a, soil pH 5.4, Jonathan Green Black Beauty Ultra scores 92/100 — a strong zone match, adequate moisture, and a long enough establishment window.

Recommended Grasses

Warm-Season

Centipedegrass

Eremochloa ophiuroides

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

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability55%
View Seeds
Warm-SeasonTransition Zone

Bermudagrass

Cynodon dactylon

Drought: 5/5Shade: 1/5
Suitability55%
View Seeds
Warm-SeasonTransition Zone

Zoysiagrass

Zoysia japonica

Drought: 4/5Shade: 3/5
Suitability55%
View Seeds

Choosing grass in Alcorn County

Severe drought (25 wk in drought / yr) and acidic soil (pH 5.4) are the two things working hardest against a lawn in Alcorn County. Here's how to choose for both — then the specific pick.

Top match for Alcorn County: Tall Fescue

See the full breakdown

Premium 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

58.8"

Growing Degree Days

4,963.3

Base 50F

Last Spring Frost

04/02

First Fall Frost

11/01

Days Above 95F

60

Hardiness Zone

8a

Seeding Calendar — Alcorn County

Personalized to this county’s frost dates — a 213-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 8A.

J
F
M
A
M
J
J
A
S
O
N
D
Warm Seed (Best)
Overseed
Warm Seed (Best)
Overseed
Warm-season seedingApr 15Jun 10
OverseedingSep 19Oct 10
Core aerationApr 22Jun 3
Spring pre-emergentMar 11Apr 1

Plan your seeding — Alcorn County

Pick a grass and a goal to get a personalized schedule anchored to this county’s frost dates.

Goal
  1. 1
    Prepare the seedbedApr 1 – Apr 14

    Mow low, dethatch or rake, and loosen the top ½ inch of soil so seed makes good contact.

  2. 2
    Sow seedApr 15 – May 13

    Best window to sow Centipedegrass in Alcorn County, anchored to your local frost dates.

  3. 3
    EstablishMay 14 – Jun 10

    Protect young seedlings: mow only after they reach ~3 inches and hold off on weed pre-emergents until established.

Watering while it germinatesLoam soil

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

  • 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

50020,000 sq ft

Monthly Deficit

0.0"

inches of water

Monthly Water

0

gallons

Estimated Monthly Cost

$0.00

at $0.008/gallon average

Estimates based on 59" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Alcorn County

Excess Moisture & Fungal Disease

High annual rainfall (59 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.

Acidic Soil

Soil pH of 5.4 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.

Persistent Drought Conditions

Alcorn County experienced drought conditions for 25 of the past 52 weeks. Prioritize water-efficient grasses and consider reducing lawn area.

Learn more about regional lawn challenges at The Lawn Report.

Lawn Care Advisory: Alcorn County

Lawn Verdict

Alcorn County falls in USDA hardiness zone 8a, a favorable range for both cool- and warm-season grasses. with winter lows reaching around 10.0°F. and 4,963.3 growing degree days annually, supporting vigorous warm-season lawns. High annual precipitation (58.8 inches) supports lush growth but increases disease pressure.

Seasonal Breakdown

Wait until after April 2 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 79.9°F) reduce heat stress — maintain regular mowing and moderate watering. With 60 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 1; this is the best renovation window. Cool winters (January averages 39.8°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

Alcorn County receives abundant rainfall (58.8 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.

Regional Context

Alcorn County is 3.4°F cooler than the Mississippi average, USDA zone 8a helps guide grass selection compared to neighboring counties.

Dig deeper into Alcorn County

Alcorn County is a USDA Zone 8A, loamy-soil, warm-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 Alcorn County in?
Alcorn County is located in USDA hardiness zone 8a, 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 Alcorn County?
Centipedegrass is the top recommendation for Alcorn County, with a match score of 70/100. It grows best in zones 7b–9a and requires 20–30 inches of water annually.
How long is the growing season in Alcorn County?
Alcorn County has a growing season of approximately 213 days, based on NOAA 30-year climate normals (1991–2020). This is calculated from the average last spring frost to the average first fall frost.
How much rainfall does Alcorn County get?
Alcorn County receives an average of 58.8 inches of precipitation per year, based on NOAA 30-year climate normals. This abundant rainfall supports a wide range of grass species with minimal supplemental irrigation.
What is the soil pH in Alcorn County?
The average soil pH in Alcorn County is 5.4, 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