Lawn Care Guide for Manitowoc County
Manitowoc County, Wisconsin
Data Story
About Lawn Care in Manitowoc County, Wisconsin
Steady Success in Manitowoc County
Manitowoc County offers a solid lawn difficulty score of 62.7, which is near the state average and well above the national median. The lakeside Hardiness Zone 5b provides a slightly more temperate environment that benefits local turfgrass.
Lakeside Cooling and Moderate Growth
Annual precipitation of 31.7 inches is slightly lower than the state average but remains sufficient for most cool-season grasses. With only 2 extreme heat days and 2,023 growing degree days, the lawn stays green longer without the stress of intense summer heat.
Well-Drained Silt Loam Soil
The county features high-quality silt loam soil that is officially classified as well-drained. A favorable pH of 6.20 and a sand content of 44.4% ensure that your lawn's roots have the perfect balance of air and moisture.
Consistency During Dry Periods
Manitowoc has seen 24 weeks of drought over the past year and is currently categorized as 100% abnormally dry. Because the soil drains well, you should monitor for wilting and ensure consistent watering when rainfall dips below one inch per week.
Extended Growing in Zone 5b
A late first frost on October 21st allows for a much longer fall seeding window compared to inland counties. Start your projects after the April 30th frost to take advantage of the long, mild growing season provided by the lake effect.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
31.7"
Growing Degree Days
2,022.55
Base 50F
Last Spring Frost
04/30
First Fall Frost
10/21
Days Above 95F
2
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
1.0"
inches of water
Monthly Water
3,135
gallons
Estimated Monthly Cost
$25.08
at $0.008/gallon average
Estimates based on 32" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Manitowoc County
Persistent Drought Conditions
Manitowoc County experienced drought conditions for 24 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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