Lawn Care Guide for Howell County
Howell County, Missouri
Data Story
About Lawn Care in Howell County, Missouri
Challenging Conditions in Zone 7a
Howell County scores 50.5 for lawn difficulty, matching the national average but falling short of Missouri’s 63.7 mark. As a zone 7a region, it faces significantly more heat and drought pressure than counties to the north.
Wet Winters and Scorching Summers
Despite high annual precipitation of 48.5 inches, lawns must survive 41 days of extreme heat above 90°F. This combination of heavy rain and high heat can lead to humidity-related turf diseases if air circulation is poor.
Acidic Soil and Drainage Concerns
A soil pH of 5.72 indicates acidic conditions that often require lime applications to support healthy grass. The subaqueous drainage and low clay content (13.2%) suggest a soil structure that may need organic matter to improve nutrient retention.
Severe Drought Impact on Turf
While 48.5 inches of rain falls annually, 30 weeks of drought over the last year have stressed local lawns. With 68.1% of the area currently in severe drought, water conservation and dormant turf management are critical right now.
Heat-Tolerant Grasses for Howell
The April 16 last frost date signals the start of the season for transition-zone grasses like Bermuda or Zoysia. These heat-loving varieties are best suited to handle the 41 days of extreme heat and the 4057 growing degree days available here.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Climate Snapshot
Annual Precip
48.5"
Growing Degree Days
4,057.25
Base 50F
Last Spring Frost
04/16
First Fall Frost
10/25
Days Above 95F
41
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
0
gallons
Estimated Monthly Cost
$0.00
at $0.008/gallon average
Estimates based on 49" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Howell County
Persistent Drought Conditions
Howell County experienced drought conditions for 30 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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