Lawn Care Guide for Worth County
Worth County, Missouri
USDA SSURGO / PHZMData Story
About Lawn Care in Worth County, Missouri
Exceptional Conditions for Easy Lawn Care
Worth County boasts an impressive lawn difficulty score of 81.1, making it one of the easiest places in the state to maintain turf. This score far exceeds both the national median of 50.0 and the Missouri average of 63.7. The county is located in USDA Hardiness Zone 5b, which is ideal for northern, cool-season grass varieties.
Cooler Summers Reduce Turf Stress
The region experiences only 20 extreme heat days annually, which is significantly lower than the Missouri state average of 37 days. While local precipitation data is limited, 3,269 growing degree days indicate a shorter, more manageable growing season. This cooler climate reduces the risk of heat-related browning and fungal diseases common in southern Missouri.
Optimal Soil Foundation for Healthy Grass
The soil foundation is a favorable silt loam with a pH of 6.14, placing it right within the ideal range for healthy grass. It is moderately well drained, which helps maintain moisture without drowning the root system. Homeowners here generally need fewer soil amendments and fertilizers compared to those in neighboring counties.
High Resilience and Minimal Drought Stress
Resilience is high in Worth County, which only experienced 3 weeks of drought over the last year. Although 100% of the county is currently flagged as abnormally dry, none of the area is suffering from severe drought. Occasional supplemental watering during dry weeks should be sufficient to keep lawns vibrant throughout the season.
Cool-Season Grasses Thrive in Zone 5b
Kentucky bluegrass and fine fescue are ideal for this cooler Zone 5b environment. Time your planting between the last spring frost on April 24 and the first fall frost on October 14 to maximize establishment. With such a high difficulty score, a little effort goes a long way toward achieving a lush, green lawn.
Lawn Difficulty Score
Soil Summary
pH
6.1
Texture
Silt loam
Drainage
Moderately well drained
Organic Matter
3.2%
Top Grass Fit for Worth County
Excellent match
Outsidepride Midnight Kentucky Bluegrass Seed
Outsidepride
Top cultivar score: 100/100
Zone 5b vs Kentucky Bluegrass's 3–7 band.
Soil pH 6.14445086913157 vs Kentucky Bluegrass's 6–7 window.
Growing-degree-days + frost window vs a advanced-difficulty establishment.
Moisture fit was excluded for Worth County — county soil/precipitation data was unavailable, so remaining factors were reweighted.
Let's be direct: Outsidepride Midnight Kentucky Bluegrass is one of the best pure KBG seeds you can buy online, and it's not particularly close. Midnight is a specific cultivar — not a generic "Kentucky bluegrass blend" — and that distinction matters enormously.
In Worth County, USDA zone 5b, soil pH 6.1, silt loam, Outsidepride Midnight Kentucky Bluegrass Seed scores 100/100 — a strong zone match and a long enough establishment window.
Why we ruled these out
- Scotts Turf Builder Bermudagrass — USDA zone 5b is below Scotts Turf Builder Bermudagrass's effective range (6–11); not recommended for this county.
See our fit-score methodology for how survivability is determined.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
N/A
Growing Degree Days
3,269.4
Base 50F
Last Spring Frost
04/24
First Fall Frost
10/14
Days Above 95F
20
Hardiness Zone
5b
Seeding Calendar — Zone 5B
Seasonal Lawn Care Checklist
Spring
- Apply pre-emergent herbicide when soil reaches 55F
- Overseed bare spots once frost risk passes
- 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
- Core aerate compacted areas
- Apply fall fertilizer (highest N application for cool-season)
- Continue mowing until growth stops
- Rake or mulch leaves to prevent smothering
Winter
- Avoid walking on frozen turf
- Service mower and sharpen blades
- Plan spring soil amendments based on fall test
- Keep lawn clear of debris
Watering Deficit Calculator
Monthly Deficit
1.3"
inches of water
Monthly Water
4,200
gallons
Estimated Monthly Cost
$33.60
at $0.008/gallon average
Estimates based on 30" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Lawn Care Advisory: Worth County
Lawn Verdict
Worth County sits in USDA hardiness zone 5b, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -15.0°F. and 3,269.4 growing degree days, sufficient for most common turfgrasses.
Seasonal Breakdown
Wait until after April 24 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 74.8°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 14; this is the best renovation window. Cool winters (January averages 23.1°F) mean slow or dormant growth; keep debris off the lawn.
Watering Guidance
Currently, 100.0% of the county is in moderate drought according to the US Drought Monitor. Consider reducing irrigation frequency and allowing cool-season lawns to go semi-dormant during peak heat. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.
Regional Context
Worth County is 4.5°F cooler than the Missouri average, USDA zone 5b 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 Worth County in?
What is the best grass for Worth County?
What is the soil pH in Worth County?
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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