Lawn Care Guide for Decatur County
Decatur County, Indiana
Data Story
About Lawn Care in Decatur County, Indiana
Decatur Leads the State in Ease
Decatur County boasts a premier lawn difficulty score of 80.4, making it one of the easiest places in Indiana to grow grass. It surpasses the state average by nearly 10 points, offering a highly resilient environment for Zone 6b lawns.
Optimal Balance of Rain and Warmth
With 47.0 inches of annual rain and 3710 growing degree days, the climate is perfectly tuned for steady lawn growth. The 16 extreme heat days are fewer than the state average, reducing the risk of heat-related turf disease.
Consistent Soils with Ideal Chemistry
Though specific texture data is limited, the soil pH of 6.28 is nearly perfect for all major Indiana grass types. This chemistry ensures that fertilizers are highly effective and turf stays vibrant throughout the season.
Remarkable Resilience to Dry Spells
Decatur County currently shows 0% drought coverage and faced only 4 weeks of drought in the past year. This consistent moisture profile allows for a more relaxed watering schedule than much of the rest of the state.
Get Growing in Decatur County
The favorable Zone 6b conditions are ideal for a Kentucky Bluegrass and Perennial Ryegrass mix. Aim to get your seeds in the ground after the April 15 frost date to enjoy the county's superior growing season.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
47.0"
Growing Degree Days
3,710.2
Base 50F
Last Spring Frost
04/15
First Fall Frost
10/26
Days Above 95F
16
Hardiness Zone
6b
Seeding Calendar — Zone 6B
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
- Mow at recommended height weekly
- 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
- Keep lawn clear of debris
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 47" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
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.
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