Lawn Care Guide for Dunn County
Dunn County, North Dakota
Data Story
About Lawn Care in Dunn County, North Dakota
Dunn County’s Tough Lawn Environment
With a score of 44.8, Dunn County is one of the more difficult places in North Dakota to maintain a lush lawn. High heat and low precipitation combine to make turf management a constant battle against the elements.
Extreme Heat and Limited Moisture
Residents face 21 extreme heat days per year, which is significantly higher than the state average of 13. Combined with only 17.5 inches of annual rain, your lawn will likely require supplemental irrigation to survive July.
Excellent Soil pH for Nutrient Uptake
One bright spot is the soil pH of 7.06, which is the closest to the ideal range (6.0-7.0) in the region. The balance of 36.9% sand and 21.8% clay provides a stable foundation for root systems if moisture is managed.
Battling Significant Drought Conditions
Dunn County endured 22 weeks of drought over the past year, indicating a persistent need for water conservation. Consider installing rain barrels or smart irrigation controllers to manage your 17.5-inch annual water budget.
Strategic Planting for a Hardier Yard
Choose heat-tolerant cool-season blends to withstand the 21 days of 90-degree weather. Your growing window sits between the May 20 spring frost and the September 23 fall frost, requiring quick establishment.
Lawn Difficulty Score
Recommended Grasses
Blue Grama
Bouteloua gracilis
Tall Fescue
Festuca arundinacea
Buffalograss
Bouteloua dactyloides
Climate Snapshot
Annual Precip
17.5"
Growing Degree Days
2,050
Base 50F
Last Spring Frost
05/20
First Fall Frost
09/23
Days Above 95F
21
Hardiness Zone
4a
Seeding Calendar — Zone 4A
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
2.2"
inches of water
Monthly Water
6,908
gallons
Estimated Monthly Cost
$55.26
at $0.008/gallon average
Estimates based on 18" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Dunn County
Drought Stress
With only 18 inches of annual rainfall, lawns in Dunn County face significant drought stress. Consider drought-tolerant grass species and deep, infrequent watering.
Persistent Drought Conditions
Dunn County experienced drought conditions for 22 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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