Lawn Care Guide for Logan County
Logan County, North Dakota
USDA SSURGO / PHZMThis week in Logan County · next up in about 2 weeks (Aug 8)
Get ready to seed cool-season grass — the best fall window is about to open.
Data Story
About Lawn Care in Logan County, North Dakota
Reliable Success in Logan County
Logan County is a strong performer with a lawn difficulty score of 59.3, well above the state average of 54.0. As part of Hardiness Zone 4b, it offers a slightly milder winter profile than northern counties. Keeping a lush lawn here is easier than in most other parts of the country.
Stable Moisture and Gentle Summers
Annual precipitation of 20.7 inches provides a healthy baseline that exceeds the state average. Extreme heat is limited to just 9 days a year, keeping soil temperatures stable for root health. The growing season is generous, ending with a first frost around October 4.
Nearly Perfect Soil Conditions
The soil pH of 7.05 is essentially perfect, sitting right at the top of the ideal range for grass. With 44.1% sand and 20.6% clay, the soil is well-aerated and drains efficiently. This high sand content helps prevent common lawn diseases associated with standing water.
Handling Short-Term Drought Ease
Though the county saw 7 weeks of drought over the past year, it currently maintains 0% drought coverage. This level of resilience is excellent, and the healthy soil pH helps grass recover quickly from stress. Morning watering will maximize the benefit of the 20.7 inches of annual rain.
Ideal Timing for New Lawns
Cool-season grasses like Bluegrass and Fescue blends are the primary choice for this 4b zone. Start seeding after the May 13 frost to take advantage of the long, mild growing season. Your lawn has a great chance of success thanks to the near-perfect soil and manageable heat.
Lawn Difficulty Score
Top Grass Fit for Logan County
Excellent match
Pennington Smart Seed Sun & Shade
Pennington
Top cultivar score: 86/100
Estimated — county soil data incomplete.
Zone 4b vs Tall Fescue's 3–8 band.
Soil pH 7.05408854248983 vs Tall Fescue's 5.5–6.5 window.
Precipitation 20.73" + soil AWC vs Tall Fescue's 20–30" need.
Growing-degree-days + frost window vs a beginner-difficulty establishment.
Pennington Smart Seed Sun & Shade is the best value in the cool-season grass seed market. Period. You get a quality fescue/KBG blend with genuine drought tolerance coating at a price point significantly below premium options like BBU or Barenbrug RTF.
In Logan County, USDA zone 4b, soil pH 7.1, Pennington Smart Seed Sun & Shade scores 86/100 — a strong zone match, adequate moisture, and a long enough establishment window.
Why we ruled these out
- Pennington Zenith Zoysia Grass Seed & Mulch — USDA zone 4b is below Pennington Zenith Zoysia Grass Seed & Mulch's effective range (5–10); not recommended for this county.
- Scotts Turf Builder Bermudagrass — USDA zone 4b 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
Blue Grama
Bouteloua gracilis
Tall Fescue
Festuca arundinacea
Buffalograss
Bouteloua dactyloides
Choosing grass in Logan County
Short growing season (144-day window) is the main thing shaping grass choice in Logan County. Here's how to work with it — then the specific pick.
- Germinating fast in a short windowPre-germination and priming when the season is tight.
- Tall Fescue, explainedTraits, care, and where Tall Fescue wins — the species behind your top match.
Top match for Logan 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
20.7"
Growing Degree Days
2,221.35
Base 50F
Last Spring Frost
05/13
First Fall Frost
10/04
Days Above 95F
9
Hardiness Zone
4b
Seeding Calendar — Logan County
Personalized to this county’s frost dates — a 144-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 4B.
Plan your seeding — Logan County
Pick a grass and a goal to get a personalized schedule anchored to this county’s frost dates.
- 1Prepare the seedbedMay 12 – May 25
Mow low, dethatch or rake, and loosen the top ½ inch of soil so seed makes good contact.
- 2Sow seedMay 26 – Jun 23
Best window to sow Blue Grama in Logan County, anchored to your local frost dates.
- 3EstablishJun 24 – Jul 21
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
2.0"
inches of water
Monthly Water
6,161
gallons
Estimated Monthly Cost
$49.29
at $0.008/gallon average
Estimates based on 21" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Logan County
Drought Stress
With only 21 inches of annual rainfall, lawns in Logan County face significant drought stress. Consider drought-tolerant grass species and deep, infrequent watering.
Learn more about regional lawn challenges at The Lawn Report.
Lawn Care Advisory: Logan County
Lawn Verdict
Logan County is in USDA hardiness zone 4b, one of the coldest zones in the country. with winter lows reaching around -25.0°F. though only 2,221.35 growing degree days favor cool-season varieties like Kentucky bluegrass and fescue. Moderate rainfall (20.7 inches) generally supports healthy lawns with minimal supplemental watering.
Seasonal Breakdown
Wait until after May 13 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 69.9°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 4; this is the best renovation window. Winters are harsh (January averages 10.6°F); avoid foot traffic on frozen turf and plan snow mold prevention.
Watering Guidance
Low annual precipitation (20.7 inches) makes irrigation essential for maintaining green turf through summer. The county is currently free of drought conditions. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.
Regional Context
Logan County is close to the North Dakota average temperature, USDA zone 4b helps guide grass selection compared to neighboring counties.
Dig deeper into Logan County
Logan County is a USDA Zone 4B, 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 Logan County in?
What is the best grass for Logan County?
How long is the growing season in Logan County?
How much rainfall does Logan County get?
What is the soil pH in Logan 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 Logan County