LawnByCounty

Lawn Care Guide for Crowley County

Crowley County, Colorado

USDA SSURGO / PHZM

Data Story

About Lawn Care in Crowley County, Colorado

Crowley County: Heat, Sun, and High Effort

Crowley County scores a 42.7 for lawn difficulty, outperforming the Colorado state average of 37.4 but still presenting unique challenges. As a Zone 5b region, you have plenty of growing potential, but the environment is much harsher than the national median of 50.0. Success here requires a strategy built for heat and alkaline soil.

Battling Extreme Heat Days

Crowley County endures a staggering 86 extreme heat days per year, more than triple the state average of 27. While the 11.2 inches of annual rain is low, the 3,440 growing degree days provide a long, productive season if you can keep the grass from scorching. Your mowing schedule will be intense from May through early October.

Managing Alkaline and Clay-Heavy Soil

Your soil pH of 7.71 is notably alkaline, which can cause 'iron chlorosis' or yellowing of the grass blades. With 25.2% clay content, your soil holds water longer than sandy areas but can easily become compacted under heat and foot traffic. Regular aeration and sulfur applications will be necessary to keep your soil breathable and nutritionally balanced.

Short Drought Cycles but High Evaporation

You've only seen 14 weeks of drought in the past year, and currently, less than 2% of the county is abnormally dry. However, the 86 days of extreme heat mean water evaporates almost instantly from the soil. Focus on evening or early morning watering to ensure your grass actually absorbs the moisture before the sun takes it back.

Picking Heat-Tolerant Turf for 5b

Because of your high heat, consider heat-tolerant Tall Fescue or native Buffalo grass, which thrives in Zone 5b. Start your lawn after the May 2nd frost to maximize your long, 3,440-degree-day growing season. Your county offers a great opportunity for a lush lawn if you can manage the alkaline soil and intense summer sun.

Lawn Difficulty Score

39/100
Moderate
Rainfall80/100
Soil Quality0/100
Temperature43/100
Growing Season40/100
Drought27/100

Soil Summary

pH

7.7

Texture

N/A

Drainage

N/A

Organic Matter

1.1%

View full soil details

Top Grass Fit for Crowley County

69/ 100

Strong match

Outsidepride Midnight Kentucky Bluegrass Seed

Outsidepride

Top cultivar score: 69/100

USDA Zone Match100

Zone 5b vs Kentucky Bluegrass's 3–7 band.

Soil pH Fit30

Soil pH 7.71414668269152 vs Kentucky Bluegrass's 6–7 window.

Moisture Fit15

Precipitation 11.23" + soil AWC vs Kentucky Bluegrass's 30–40" need.

Establishment Window100

Growing-degree-days + frost window vs a advanced-difficulty establishment.

Let's be direct: Outsidepride Midnight Kentucky Bluegrass is one of the best pure KBG seeds you can buy online, and it's not particularly close. Midnight is a specific cultivar — not a generic "Kentucky bluegrass blend" — and that distinction matters enormously.
From The Lawn Report editorial review • rated 4.7/5
Shop Outsidepride Midnight Kentucky Bluegrass Seed

In Crowley County, USDA zone 5b, soil pH 7.7, Outsidepride Midnight Kentucky Bluegrass Seed scores 69/100 — a strong zone match, moisture-limited conditions, and a long enough establishment window.

Why we ruled these out

  • Scotts Turf Builder BermudagrassUSDA zone 5b 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

Buffalograss

Bouteloua dactyloides

Drought: 5/5Shade: 1/5
Suitability80%
View Seeds
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

Best Grass Seed for Crowley County

Zone 5bCool-season grasses thrive here.

Find Seeds for Zone 5b

Climate Snapshot

Annual Precip

11.2"

Growing Degree Days

3,439.9

Base 50F

Last Spring Frost

05/02

First Fall Frost

10/08

Days Above 95F

86

Hardiness Zone

5b

Seeding Calendar — Zone 5B

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

3.0"

inches of water

Monthly Water

9,318

gallons

Estimated Monthly Cost

$74.54

at $0.008/gallon average

Estimates based on 11" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Crowley County

Drought Stress

With only 11 inches of annual rainfall, lawns in Crowley 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: Crowley County

Lawn Verdict

Crowley County sits in USDA hardiness zone 5b, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -15.0°F. and 3,439.9 growing degree days, sufficient for most common turfgrasses. Low rainfall (11.2 inches) means supplemental irrigation is essential during summer months.

Seasonal Breakdown

Wait until after May 2 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 77.5°F) reduce heat stress — maintain regular mowing and moderate watering. With 86 days above 90°F annually, warm-season grasses recover faster from summer stress than cool-season types. Aerate and overseed cool-season lawns by early fall, well before October 8; this is the best renovation window. Cool winters (January averages 28.6°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

Low annual precipitation (11.2 inches) makes irrigation essential for maintaining green turf through summer. Currently, 1.9% of the county is in abnormally dry according to the US Drought Monitor. Standard warm-season watering of 1 inch per week is usually adequate during summer.

Regional Context

Crowley County is 6.2°F warmer than the Colorado average, it is somewhat drier than the state average, USDA zone 5b 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 Crowley County in?
Crowley County is located in USDA hardiness zone 5b, 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 Crowley County?
Buffalograss is the top recommendation for Crowley County, with a match score of 80/100. It grows best in zones 5a–8a and requires 10–20 inches of water annually.
How much rainfall does Crowley County get?
Crowley County receives an average of 11.2 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 Crowley County?
The average soil pH in Crowley County is 7.7, based on USDA SSURGO data. This alkaline soil may require sulfur amendment for acid-loving grass species.

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