Lawn Care Guide for Kingsbury County
Kingsbury County, South Dakota
Data Story
About Lawn Care in Kingsbury County, South Dakota
Kingsbury County: A Lawn Care Leader
Kingsbury County boasts a lawn difficulty score of 59.6, making it one of the easiest places in the region to maintain a healthy lawn. This Zone 4b county benefits from moderate temperatures and better-than-average growing conditions.
Cool Summers Benefit Turf
With only 10 extreme heat days per year, lawns here avoid the intense scorching seen elsewhere in South Dakota. Annual precipitation of 25.1 inches provides a healthy baseline for growth throughout the 2,523 growing degree days.
Solid Soil for Lush Lawns
The soil pH sits at 7.06, which is nearly perfect for nutrient absorption and grass vigor. A balanced mix of 24.3% clay and 28.4% sand ensures the ground stays moist without becoming waterlogged or overly compacted.
Resilience in Abnormally Dry Times
Despite 100% of the county being abnormally dry right now, it only saw 17 weeks of drought over the last year. This relative stability makes it easier to keep lawns green with moderate, supplemental watering.
Timing for the Best Results
Kentucky Bluegrass blends thrive in this cooler 4b climate. Aim to seed your lawn after the May 5th spring frost or during the gentle transition into fall before the October 4th freeze.
Lawn Difficulty Score
Recommended Grasses
Blue Grama
Bouteloua gracilis
Tall Fescue
Festuca arundinacea
Buffalograss
Bouteloua dactyloides
Climate Snapshot
Annual Precip
25.1"
Growing Degree Days
2,522.95
Base 50F
Last Spring Frost
05/05
First Fall Frost
10/04
Days Above 95F
10
Hardiness Zone
4b
Seeding Calendar — Zone 4B
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
1.7"
inches of water
Monthly Water
5,166
gallons
Estimated Monthly Cost
$41.33
at $0.008/gallon average
Estimates based on 25" 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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