Lawn Care Guide for Nobles County
Nobles County, Minnesota
Data Story
About Lawn Care in Nobles County, Minnesota
Reliable Results in Nobles County
Nobles County earns a 70.1 lawn difficulty score, indicating a favorable environment for homeowners compared to the state average of 63.9. The Zone 5a climate supports a wide range of resilient grass species.
Navigating the Summer Heat
The county receives 30.5 inches of rain annually, which matches the state average. You can expect 10 extreme heat days per year, which is slightly higher than the state average and requires attentive summer watering.
Well-Drained Soil and Healthy pH
The soil is classified as well-drained with a healthy pH of 6.80, perfect for most lawns. With 26.4% clay and 30.1% sand, the ground holds onto nutrients well while allowing excess water to move through the root zone.
Coping with Current Dry Conditions
Despite only 8 weeks of drought last year, 100% of the county is currently classified as abnormally dry. Water early in the morning to maximize absorption and prevent the well-drained soil from drying out too quickly.
Planting for a Zone 5a Climate
Tall Fescue is a great choice here for its drought resistance, alongside traditional Kentucky Bluegrass. The prime growing window opens after the May 3 spring frost and closes with the October 4 fall frost.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Buffalograss
Bouteloua dactyloides
Climate Snapshot
Annual Precip
30.5"
Growing Degree Days
2,542
Base 50F
Last Spring Frost
05/03
First Fall Frost
10/04
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
1.2"
inches of water
Monthly Water
3,756
gallons
Estimated Monthly Cost
$30.05
at $0.008/gallon average
Estimates based on 31" 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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