Lawn Care Guide for Flagler County

Flagler County, Florida

Data Story

About Lawn Care in Flagler County, Florida

Coastal Conditions Create a Moderate Lawn Challenge

Flagler earns a lawn difficulty score of 27.6, which is notably better than the Florida average of 19.2 but well below the national median of 50.0. In USDA Hardiness Zone 9b, homeowners must manage turf that grows nearly year-round in a subtropical environment.

High Rainfall Drives Aggressive Growth Cycles

The county receives 51.4 inches of annual precipitation, slightly exceeding the ideal lawn range of 50 inches. While the 46 extreme heat days are fewer than the state average of 92, the 7,885 growing degree days demand a rigorous mowing schedule.

Acidic Sands Require Nutrient and pH Support

With a soil pH of 5.08, the ground is significantly more acidic than the 6.0-7.0 range turfgrass prefers. The soil is 83.3% sand, meaning water and nutrients leach away quickly and require frequent organic amendments.

Severe Drought Conditions Grip the Coastline

Flagler spent 28 weeks in drought over the last year, and 100% of the county currently faces severe drought. Property owners should focus on deep watering cycles to encourage deep root systems before the heat intensifies.

Start Your Turf After the January Frost

St. Augustine and Zoysia are the top choices for this 9b zone once the risk of frost passes after January 24. While specific growing season data is limited, the warm climate allows for a long, productive window for establishing new sod.

Lawn Difficulty Score

34/100
Moderate
Rainfall13/100
Soil Quality50/100
Temperature23/100
Growing Season40/100
Drought54/100

Soil Summary

pH

5.1

Texture

N/A

Drainage

N/A

Organic Matter

8.3%

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

51.4"

Growing Degree Days

7,884.8

Base 50F

Last Spring Frost

01/24

First Fall Frost

01/11

Days Above 95F

46

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

Common Lawn Problems in Flagler County

Excess Moisture & Fungal Disease

High annual rainfall (51 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.

Acidic Soil

Soil pH of 5.1 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.

Persistent Drought Conditions

Flagler County experienced drought conditions for 28 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.