Lawn Care Guide for Caldwell County
Caldwell County, Missouri
Data Story
About Lawn Care in Caldwell County, Missouri
Caldwell County's Premier Lawn Conditions
Caldwell County boasts an impressive lawn difficulty score of 81.6, nearly double the score of some neighboring counties. This 6a hardiness zone offers a highly favorable environment that is much easier to manage than the state average.
Mild Summers and Ideal Rainfall
Residents enjoy only 29 extreme heat days per year, well below the state average of 37. Combined with 39.6 inches of annual precipitation, these conditions reduce heat stress and minimize the need for constant irrigation.
Strong Clay-Based Soil Foundation
The soil pH of 6.12 is within the ideal window for grass growth, and the 27.2% clay content helps the ground hold onto moisture. A shorter growing season of 3,550 growing degree days means less frequent mowing compared to southern counties.
Minimal Drought Impacts Locally
Caldwell County has only experienced 7 weeks of drought over the past year, a remarkably low number for Missouri. With only 1.6% of the area being abnormally dry, the current conditions are excellent for maintaining a lush, green lawn.
Seeding Success in Zone 6a
Kentucky bluegrass and tall fescue are perfect for Caldwell's mild climate. Plan your seeding projects after the final spring frost on April 23 or as the fall season begins around the October 17 frost.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
39.6"
Growing Degree Days
3,549.9
Base 50F
Last Spring Frost
04/23
First Fall Frost
10/17
Days Above 95F
29
Hardiness Zone
6a
Seeding Calendar — Zone 6A
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
0.6"
inches of water
Monthly Water
1,847
gallons
Estimated Monthly Cost
$14.78
at $0.008/gallon average
Estimates based on 40" 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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