Lawn Care Guide for McDonald County
McDonald County, Missouri
Data Story
About Lawn Care in McDonald County, Missouri
Southern Missouri Lawn Care
McDonald County faces a difficulty score of 58.8, making it tougher for lawns than the Missouri average. As a Hardiness Zone 7a region, the warmer climate and soil conditions create unique maintenance needs for residents.
High Humidity and Rainfall
The county receives a high 46.8 inches of rain but also endures 37 extreme heat days. This combination can lead to high humidity, which increases the risk of fungal diseases in many common cool-season turfgrasses.
Acidic and Well-Drained Soil
Well-drained silty clay loam with a 5.82 pH means the soil is slightly acidic and often requires lime amendments. While the drainage is good, the 16.1% clay and 19.7% sand mix require regular monitoring to ensure nutrients don't leach away.
Severe Drought Hurdles
The county is currently in a 100% severe drought state, presenting a major hurdle for lawn health. After 19 weeks of drought in the past year, focusing on drought-resistant species and efficient irrigation is mandatory for survival.
Choosing Heat-Tolerant Turf
Because of the Zone 7a warmth, heat-tolerant tall fescues or warm-season grasses like Zoysia are excellent choices. Aim for planting between the April 15 last frost and the October 26 first frost to maximize the 4,251 growing degree days.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Climate Snapshot
Annual Precip
46.8"
Growing Degree Days
4,250.6
Base 50F
Last Spring Frost
04/15
First Fall Frost
10/26
Days Above 95F
37
Hardiness Zone
7a
Seeding Calendar — Zone 7A
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
154
gallons
Estimated Monthly Cost
$1.23
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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