Lawn Care Guide for Racine County
Racine County, Wisconsin
USDA SSURGO / PHZMThis week in Racine County · next up in about 4 weeks (Aug 28)
Get ready to seed cool-season grass — the best fall window is about to open.
Data Story
About Lawn Care in Racine County, Wisconsin
Ideal Growing Conditions in Southeast Wisconsin
Racine County boasts a high lawn difficulty score of 69.5, making it significantly easier to maintain a lawn here than the national average. Its position in Hardiness Zone 5b offers a milder climate that supports a wider variety of turf options.
Warm Summers and Plentiful Rain
With 34.8 inches of rain and 2,502 growing degree days, the climate is well-suited for vigorous grass growth. Seven extreme heat days per year suggest a need for occasional supplemental watering during July's peak temperatures.
Rich Loam with Strong Mineral Base
The soil features a healthy 16.0% clay content and 31.1% sand, creating a well-drained loam that holds nutrients well. While the 5.84 pH is slightly acidic, it is very close to the 6.0-7.0 ideal range, requiring only minor adjustments.
Moderate Drought Risk Near the Lake
About 42% of Racine is currently abnormally dry, following 13 weeks of drought over the past year. Utilize rain barrels to capture runoff for your garden, ensuring your lawn stays resilient without over-taxing municipal systems.
An Extended Window for Lawn Success
The long season lasts from May 5th until October 24th, giving you ample time to establish a lush Kentucky Bluegrass lawn. This extended timeframe allows for effective fall over-seeding, which is the best way to thicken a lawn in Zone 5b.
Lawn Difficulty Score
Top Grass Fit for Racine County
Excellent match
Jonathan Green Black Beauty Ultra
Jonathan Green
Top cultivar score: 100/100
Zone 5b vs Tall Fescue's 3–8 band.
Soil pH 5.84340341424999 vs Tall Fescue's 5.5–6.5 window.
Precipitation 34.84" + soil AWC vs Tall Fescue's 20–30" need.
Growing-degree-days + frost window vs a intermediate-difficulty establishment.
If you spend any time on lawn care forums, Reddit's r/lawncare, or YouTube lawn channels, one name comes up more than any other: Jonathan Green Black Beauty Ultra. It's practically a cult favorite, and the label, cultivar story, and long-running owner reports explain why. The secret is in the genetics.
In Racine County, USDA zone 5b, soil pH 5.8, loam, Jonathan Green Black Beauty Ultra scores 100/100 — a strong zone match, adequate moisture, and a long enough establishment window.
Why we ruled these out
- Scotts Turf Builder Bermudagrass — USDA zone 5b is below Scotts Turf Builder Bermudagrass's effective range (6–11); not recommended for this county.
See our fit-score methodology for how survivability is determined.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Choosing grass in Racine County
Your loamy soil and cool-season conditions narrow the field fast. Here's how to think it through for Racine County — then the specific pick.
- Best cool-season grass seed for fallYour prime seeding window and the top cool-season picks.
- How grass cultivars get scored (NTEP)The independent trial data behind every species ranking.
- Tall Fescue, explainedTraits, care, and where Tall Fescue wins — the species behind your top match.
Top match for Racine County: Tall Fescue
See the full breakdownPremium Grass Seeds is a sister site in our network. We may earn a commission from qualifying purchases made through its retailer links — this never affects your price. Guidance here reflects your county’s climate and soil data, not hands-on testing.
Climate Snapshot
Annual Precip
34.8"
Growing Degree Days
2,501.925
Base 50F
Last Spring Frost
05/05
First Fall Frost
10/24
Days Above 95F
7
Hardiness Zone
5b
Seeding Calendar — Racine County
Personalized to this county’s frost dates — a 172-day growing season. Windows below are computed from local last-spring and first-fall frost normals, so they differ county-to-county even within USDA Zone 5B.
Plan your seeding — Racine County
Pick a grass and a goal to get a personalized schedule anchored to this county’s frost dates.
- 1Prepare the seedbedAug 14 – Aug 27
Mow low, dethatch or rake, and loosen the top ½ inch of soil so seed makes good contact.
- 2Sow seedAug 28 – Sep 25
Best window to sow Tall Fescue in Racine County, anchored to your local frost dates.
- 3EstablishSep 26 – Oct 23
Protect young seedlings: mow only after they reach ~3 inches and hold off on weed pre-emergents until established.
Loam holds moisture evenly — water about ¼ inch once or twice daily to keep the top inch of the seedbed consistently moist until germination.
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
0.8"
inches of water
Monthly Water
2,601
gallons
Estimated Monthly Cost
$20.81
at $0.008/gallon average
Estimates based on 35" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Lawn Care Advisory: Racine County
Lawn Verdict
Racine County sits in USDA hardiness zone 5b, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -15.0°F. and 2,501.925 growing degree days, sufficient for most common turfgrasses. Moderate rainfall (34.8 inches) generally supports healthy lawns with minimal supplemental watering.
Seasonal Breakdown
Wait until after May 5 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 71.0°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 24; this is the best renovation window. Cool winters (January averages 21.2°F) mean slow or dormant growth; keep debris off the lawn.
Watering Guidance
Moderate rainfall (34.8 inches) means lawns benefit from weekly deep watering during summer stress. Currently, 100.0% of the county is in abnormally dry according to the US Drought Monitor. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.
Regional Context
Racine County is close to the Wisconsin average temperature, USDA zone 5b helps guide grass selection compared to neighboring counties.
Dig deeper into Racine County
Racine County is a USDA Zone 5B, loamy-soil, cool-season county. Explore the data that shapes its lawn:
Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com
Frequently Asked Questions
What USDA hardiness zone is Racine County in?
What is the best grass for Racine County?
How long is the growing season in Racine County?
How much rainfall does Racine County get?
What is the soil pH in Racine County?
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.
Explore more data for Racine County