Lawn Care Guide for Franklin County

Franklin County, Florida

Data Story

About Lawn Care in Franklin County, Florida

Low Scores Reflect Difficult Coastal Turf Management

Franklin County scores a 23.6 on the lawn difficulty scale, placing it below the national average but slightly ahead of the state's typical 19.2. This 9b hardiness zone offers a unique set of challenges where salty air meets high-maintenance turf needs.

Ample Rainfall Meets Moderate Summer Heat

The county averages 53.1 inches of rain annually, which is just above the ideal threshold for many grass species. With 56 extreme heat days, the summer stress is lower than the Florida average of 92, though humidity remains a factor.

Extreme Soil Acidity Challenges Grass Health

The soil pH in Franklin is a very acidic 4.12, far below the optimal 6.0-7.0 range for healthy lawns. This 80.6% sandy soil lacks the natural structure to hold onto lime, making regular soil testing essential for success.

Severe Drought Persists Despite Coastal Humidity

One hundred percent of the county is currently under severe drought conditions, following 26 weeks of drought over the past year. Efficient irrigation is critical right now, as sandy soils lose moisture much faster than heavier clay blends.

Plant for Success After February Frosts

Bahia or salt-tolerant St. Augustine varieties work best here once the spring frost risk ends after February 15. The region offers a lengthy growing window, though maintenance should be timed around the first fall frost in mid-December.

Lawn Difficulty Score

35/100
Moderate
Rainfall16/100
Soil Quality50/100
Temperature28/100
Growing Season40/100
Drought50/100

Soil Summary

pH

4.1

Texture

N/A

Drainage

N/A

Organic Matter

8.1%

View full soil details

Recommended Grasses

Warm-SeasonTransition Zone

Bermudagrass

Cynodon dactylon

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

St. Augustinegrass

Stenotaphrum secundatum

Drought: 2/5Shade: 4/5
Suitability55%
View Seeds
Warm-Season

Bahiagrass

Paspalum notatum

Drought: 4/5Shade: 2/5
Suitability55%
View Seeds
Warm-Season

Seashore Paspalum

Paspalum vaginatum

Drought: 3/5Shade: 2/5
Suitability55%
View Seeds

Climate Snapshot

Annual Precip

53.1"

Growing Degree Days

7,119.2

Base 50F

Last Spring Frost

02/15

First Fall Frost

12/18

Days Above 95F

56

Hardiness Zone

9b

Seeding Calendar — Zone 9B

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

Common Lawn Problems in Franklin County

Excess Moisture & Fungal Disease

High annual rainfall (53 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.

Acidic Soil

Soil pH of 4.1 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.

Persistent Drought Conditions

Franklin 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.

Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com

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.