LawnByCounty

Lawn Care Guide for Billings County

Billings County, North Dakota

USDA SSURGO / PHZM

Data Story

About Lawn Care in Billings County, North Dakota

The Hardest Lawn Care in the State

Billings County is a tough environment for lawns, with a difficulty score of 44.7. This is nearly 10 points lower than the state average, requiring specific strategies to maintain a green yard in zone 4b.

Struggling with Aridity and Heat

Low precipitation of 16.6 inches and 23 extreme heat days create a high-evaporation environment. Lawns require supplemental irrigation to survive these conditions, as the rainfall sits well below the 30-50 inches needed for natural lushness.

Neutral pH Meets Sandy Soil

The soil pH of 7.10 is very close to the ideal range for grass growth. With a high sand content of 40.5% and lack of official drainage data, homeowners should focus on adding organic matter to improve water retention.

Surviving 22 Weeks of Drought

Lawns here endured a staggering 22 weeks of drought over the past year, the highest in the region. Drought-tolerant species like Buffalograss or fine fescues are essential choices to minimize water waste and lawn death.

Tough Turf for a Late Season

Wait until after May 12th to seed your lawn to avoid the last spring frost. Since the first fall frost arrives by September 28th, prioritize fast-establishing varieties that can handle the dry western North Dakota air.

Lawn Difficulty Score

35/100
Moderate
Rainfall80/100
Soil Quality0/100
Temperature11/100
Growing Season40/100
Drought42/100

Soil Summary

pH

7.1

Texture

N/A

Drainage

N/A

Organic Matter

4.8%

View full soil details

Top Grass Fit for Billings County

86/ 100

Excellent match

Pennington Smart Seed Sun & Shade

Pennington

Top cultivar score: 86/100

Estimated — county soil data incomplete.

USDA Zone Match100

Zone 4b vs Tall Fescue's 3–8 band.

Soil pH Fit30

Soil pH 7.09824975583253 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 16.619999999999997" + soil AWC vs Tall Fescue's 20–30" need.

Establishment Window100

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.
From The Lawn Report editorial review • rated 4.4/5
Shop Pennington Smart Seed Sun & Shade

In Billings 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 & MulchUSDA zone 4b is below Pennington Zenith Zoysia Grass Seed & Mulch's effective range (5–10); not recommended for this county.
  • Scotts Turf Builder BermudagrassUSDA 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

Warm-SeasonTransition Zone

Blue Grama

Bouteloua gracilis

Drought: 5/5Shade: 1/5
Suitability80%
View Seeds
Cool-Season

Wheatgrass

Agropyron cristatum

Drought: 5/5Shade: 1/5
Suitability80%
View Seeds
Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability61%
View Seeds
Warm-SeasonTransition Zone

Buffalograss

Bouteloua dactyloides

Drought: 5/5Shade: 1/5
Suitability60%
View Seeds

Best Grass Seed for Billings County

Zone 4bCool-season grasses thrive here.

Find Seeds for Zone 4b

Climate Snapshot

Annual Precip

16.6"

Growing Degree Days

2,166.267

Base 50F

Last Spring Frost

05/12

First Fall Frost

09/28

Days Above 95F

23

Hardiness Zone

4b

Seeding Calendar — Zone 4B

J
F
M
A
M
J
J
A
S
O
N
D
Cool Seed (Best)
Cool Seed (OK)
Cool Seed (Best)
Cool Seed (OK)
Optimal (cool)
Acceptable (cool)
Optimal (warm)
Acceptable (warm)

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

50020,000 sq ft

Monthly Deficit

2.3"

inches of water

Monthly Water

7,255

gallons

Estimated Monthly Cost

$58.04

at $0.008/gallon average

Estimates based on 17" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Billings County

Drought Stress

With only 17 inches of annual rainfall, lawns in Billings County face significant drought stress. Consider drought-tolerant grass species and deep, infrequent watering.

Persistent Drought Conditions

Billings 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.

Lawn Care Advisory: Billings County

Lawn Verdict

Billings 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 2,166.267 growing degree days favor cool-season varieties like Kentucky bluegrass and fescue. Low rainfall (16.6 inches) means supplemental irrigation is essential during summer months.

Seasonal Breakdown

Wait until after May 12 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 70.2°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before September 28; this is the best renovation window. Winters are harsh (January averages 16.2°F); avoid foot traffic on frozen turf and plan snow mold prevention.

Watering Guidance

Low annual precipitation (16.6 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

Billings County is close to the North Dakota average temperature, USDA zone 4b helps guide grass selection compared to neighboring counties.

Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com

Frequently Asked Questions

What USDA hardiness zone is Billings County in?
Billings County is located in USDA hardiness zone 4b, based on the 2023 USDA Plant Hardiness Zone Map. This zone helps determine which grass species are most likely to thrive in the county's climate.
What is the best grass for Billings County?
Blue Grama is the top recommendation for Billings County, with a match score of 80/100. It grows best in zones 4a–7b and requires 8–15 inches of water annually.
How much rainfall does Billings County get?
Billings County receives an average of 16.6 inches of precipitation per year, based on NOAA 30-year climate normals. This relatively low rainfall makes drought-tolerant grass species particularly important.
What is the soil pH in Billings County?
The average soil pH in Billings County is 7.1, based on USDA SSURGO data. This near-neutral pH supports most common lawn grasses with minimal soil amendment.

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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor