Lawn Care Guide for Clark County
Clark County, Missouri
Data Story
About Lawn Care in Clark County, Missouri
Steady lawn prospects in the Northeast corner
Clark County features a lawn difficulty score of 65.0, placing it just above the Missouri state average. This makes it a relatively friendly environment for residential lawns in Hardiness Zone 6a. It offers a more favorable experience than the national median of 50.0.
Moderate rainfall supports seasonal growth
The county receives 38.6 inches of annual precipitation, which is slightly lower than the state average but within the ideal range. While specific heat and growing degree data are not available, the precipitation levels provide a solid base for turf. Homeowners should watch for dry spells to supplement water when needed.
Slightly acidic soil with sandy characteristics
The soil pH is a manageable 6.30, which is very close to the ideal range for grass growth. With 27.2% sand and 19.1% clay, the soil likely drains well, though specific drainage class data is currently limited. This texture generally prevents the heavy compaction often found in higher-clay regions.
Lengthy drought history requires careful watering
The county has experienced 35 weeks of drought over the past year, and 16.8% of the area is in severe drought. Currently, 100% of the county is at least abnormally dry, necessitating proactive water management. Focus on deep-root watering early in the morning to minimize evaporation.
Hardy varieties flourish in Zone 6a
In Hardiness Zone 6a, cool-season grasses like Fine Fescue or Kentucky Bluegrass are popular and effective choices. While specific frost dates are not recorded, late April is generally a safe time to begin spring projects. Start with a soil test to see if a small boost of nutrients is needed.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
38.6"
Growing Degree Days
N/A
Base 50F
Last Spring Frost
N/A
First Fall Frost
N/A
Days Above 95F
N/A
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
0.0"
inches of water
Monthly Water
0
gallons
Estimated Monthly Cost
$0.00
at $0.008/gallon average
Estimates based on 39" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Clark County
Persistent Drought Conditions
Clark County experienced drought conditions for 35 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.
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