LawnByCounty

Lawn Care Guide for Charlton County

Charlton County, Georgia

USDA SSURGO / PHZM

Data Story

About Lawn Care in Charlton County, Georgia

Charlton County’s High-Maintenance Lawns

With a lawn difficulty score of 23.7, Charlton County is the most challenging area in this group to maintain a lawn. This score is far below the Georgia average of 35.8 and less than half the national median of 50.0. Success in Hardiness Zone 9a requires a dedicated approach and the right specialized turf.

Brutal Heat and High Growth Demands

Residents face an incredible 109 extreme heat days per year, nearly double the state average of 65. Combined with 7385 growing degree days, your grass will grow with relentless speed, requiring frequent mowing. The 52.3 inches of rain provides some relief, but the extreme heat can quickly evaporate surface moisture.

Prepare for Sandy Southern Soils

Specific soil data is unavailable for Charlton, but the region is known for sandy profiles that drain almost too well. You will likely need to incorporate organic matter to help your soil hold onto the 52.3 inches of annual rain. Testing your soil is the only way to ensure your pH is not sabotaging your lawn's health.

Total County-Wide Severe Drought

Charlton County is currently 100% in severe drought, having spent 26 weeks in drought over the last year. In 109-degree heat, a drought can kill a lawn quickly if you are not careful with your irrigation timing. Deep, infrequent watering is the best way to encourage the deep roots needed for survival.

Maximize the Zone 9a Season

Centipede and St. Augustine are the most reliable choices to handle the intense heat of the Okefenokee region. Your growing window is massive, stretching from the last frost on February 26 to the first frost on December 7. Start your lawn early to take advantage of the long season, but be ready to water heavily.

Lawn Difficulty Score

27/100
Easy
Rainfall15/100
Soil Quality0/100
Temperature50/100
Growing Season40/100
Drought50/100

Soil Summary

pH

N/A

Texture

N/A

Drainage

N/A

Organic Matter

N/A

View full soil details

Top Grass Fit for Charlton County

Warm-season grasses are the general fit here

County soil and zone data are incomplete, so we show a category recommendation rather than a precise cultivar score for Charlton County.

Why we ruled these out

  • Outsidepride Midnight Kentucky Bluegrass SeedUSDA zone 9a is above Outsidepride Midnight Kentucky Bluegrass Seed's effective range (2–8); not recommended for this county.

See our fit-score methodology for how survivability is determined.

Recommended Grasses

Warm-SeasonTransition Zone

Bermudagrass

Cynodon dactylon

Drought: 5/5Shade: 1/5
Suitability70%
View Seeds
Warm-SeasonTransition Zone

Zoysiagrass

Zoysia japonica

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

St. Augustinegrass

Stenotaphrum secundatum

Drought: 2/5Shade: 4/5
Suitability70%
View Seeds
Warm-Season

Bahiagrass

Paspalum notatum

Drought: 4/5Shade: 2/5
Suitability70%
View Seeds

Best Grass Seed for Charlton County

Zone 9aWarm-season grasses thrive here.

Find Seeds for Zone 9a

Climate Snapshot

Annual Precip

52.3"

Growing Degree Days

7,384.85

Base 50F

Last Spring Frost

02/26

First Fall Frost

12/07

Days Above 95F

109

Hardiness Zone

9a

Seeding Calendar — Zone 9A

J
F
M
A
M
J
J
A
S
O
N
D
Warm Seed (Best)
Warm 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

  • 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 52" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Charlton County

Excess Moisture & Fungal Disease

High annual rainfall (52 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.

Persistent Drought Conditions

Charlton County experienced drought conditions for 26 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: Charlton County

Lawn Verdict

Charlton County is in USDA hardiness zone 9a, a warm zone well-suited to heat-tolerant grasses. with winter lows reaching around 20.0°F. and 7,384.85 growing degree days annually, supporting vigorous warm-season lawns. High annual precipitation (52.3 inches) supports lush growth but increases disease pressure.

Seasonal Breakdown

Wait until after February 26 to seed or overseed; soil temperatures should consistently reach 50-55°F. Summers are warm (July averages 83.4°F); monitor for heat stress and water when soil is dry 2-3 inches down. With 108.6 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 December 7; this is the best renovation window. Mild winters (January averages 54.2°F) allow year-round mowing for warm-season lawns and minimal dormancy.

Watering Guidance

Charlton County receives abundant rainfall (52.3 inches annually), so lawns rarely need supplemental irrigation. Currently, 100.0% of the county is in extreme drought according to the US Drought Monitor. Mandatory watering restrictions may be in effect; follow local guidelines and prioritize tree and shrub watering over turf. 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

Charlton County is 6.1°F warmer than the Georgia average, USDA zone 9a 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 Charlton County in?
Charlton County is located in USDA hardiness zone 9a, 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 Charlton County?
Bermudagrass is the top recommendation for Charlton County, with a match score of 70/100. It grows best in zones 7a–10b and requires 20–30 inches of water annually.
How much rainfall does Charlton County get?
Charlton County receives an average of 52.3 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.

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