Lawn Care Guide for Maries County
Maries County, Missouri
Data Story
About Lawn Care in Maries County, Missouri
Maries County Maintenance Needs
With a score of 56.9, Maries County is one of the more challenging areas in Missouri for lawn maintenance. Despite being in Hardiness Zone 6b, homeowners must work harder than the national average to keep their grass healthy.
Extended Growing Seasons
The county experiences 33 extreme heat days and a high 4,275 growing degree days, which accelerates water demand. Though it receives 44.0 inches of rain annually, the heat often outpaces the moisture during the mid-summer months.
Balanced Soil Ratios
A soil pH of 5.98 is just on the edge of the ideal range, meaning a small amount of lime could significantly boost nutrient availability. The soil is relatively balanced with 17.0% clay and 16.7% sand, providing a fair mix of retention and drainage.
Conserving Water During Dryness
Currently, 100% of the county is abnormally dry, following a year where lawns spent 31 weeks in drought conditions. Mulching grass clippings back into the lawn can help retain soil moisture and recycle nutrients during these dry stretches.
Timing the Maries Bloom
Heat-tolerant varieties of tall fescue are best suited for the long growing season that starts after the April 12 frost. Ensure your lawn is established and well-fed before the first frost arrives around October 26.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
44.0"
Growing Degree Days
4,274.85
Base 50F
Last Spring Frost
04/12
First Fall Frost
10/26
Days Above 95F
33
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
0.3"
inches of water
Monthly Water
902
gallons
Estimated Monthly Cost
$7.22
at $0.008/gallon average
Estimates based on 44" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Maries County
Persistent Drought Conditions
Maries County experienced drought conditions for 31 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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