Lawn Care Guide for Green Lake County
Green Lake County, Wisconsin
Data Story
About Lawn Care in Green Lake County, Wisconsin
Wisconsin's Top-Tier Lawn Conditions
Green Lake County boasts a 77.7 difficulty score, making it the easiest place in this group to maintain a beautiful lawn. It far exceeds both the state average and the national median for growth potential.
A Strong Climate for Lush Grass
With 36.0 inches of precipitation and 2,541 growing degree days, the climate supports vigorous growth. Despite 10 extreme heat days, the overall environment is highly favorable for cool-season turf varieties in Zone 5a.
Ideal Loam and Perfect Drainage
The soil is classified as a well-drained loam, which is the gold standard for home lawns. A pH of 6.08 means the soil is naturally balanced and ready to support thick, healthy grass with minimal intervention.
Short-Term Dryness in a Resilient County
Green Lake had zero weeks of formal drought over the last year, though 100% of the county is currently abnormally dry. This resilient soil base recovers quickly, but supplemental watering will help maintain color during this dry patch.
Maximum Success with Standard Blends
Kentucky Bluegrass thrives in the loam soils of Green Lake County. Plan to start your seeding or sodding projects after the final spring frost, which typically occurs around May 8th.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
36.0"
Growing Degree Days
2,541.2
Base 50F
Last Spring Frost
05/08
First Fall Frost
10/02
Days Above 95F
10
Hardiness Zone
5a
Seeding Calendar — Zone 5A
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
0.7"
inches of water
Monthly Water
2,309
gallons
Estimated Monthly Cost
$18.47
at $0.008/gallon average
Estimates based on 36" 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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