LawnByCounty

Lawn Care Guide for Garfield County

Garfield County, Colorado

USDA SSURGO / PHZM

Data Story

About Lawn Care in Garfield County, Colorado

Garfield's Significant Lawn Challenges

Garfield County earns a difficulty score of 25.6, the most challenging in this group. Maintaining turf here is nearly twice as difficult as the national average, requiring a highly technical approach to lawn care.

Intense Heat and Dry Seasons

The county suffers from 44 extreme heat days per year and receives only 15.8 inches of rain. These conditions create a high-evaporation environment that can quickly brown out even the hardiest grass varieties.

Managing Unpredictable Soil

While specific soil stats are not available, the high difficulty score suggests the land may have drainage or nutrient issues. Aerating your lawn twice a year can help air and water reach the roots through compacted western soils.

The Reality of Persistent Drought

Garfield spent every week of the last year in drought, and 89.7% of the area is currently in severe drought. In these conditions, many homeowners find that reducing lawn size in favor of native plants is the most sustainable path.

Starting a Resilient Lawn

Focus on the most heat-tolerant zone 6a grasses, such as sheep fescue or specialized native mixes. Be ready to plant after May 13, but keep a close eye on local water restrictions before starting a new project.

Lawn Difficulty Score

50/100
Moderate
Rainfall80/100
Soil Quality0/100
Temperature22/100
Growing Season40/100
Drought100/100

Soil Summary

pH

N/A

Texture

N/A

Drainage

N/A

Organic Matter

N/A

View full soil details

Top Grass Fit for Garfield County

Cool-season grasses are the general fit here

County soil and zone data are incomplete, so we show a category recommendation rather than a precise cultivar score for Garfield County.

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
Suitability76%
View Seeds

Best Grass Seed for Garfield County

Zone 6aCool- and warm-season grasses thrive here.

Find Seeds for Zone 6a

Climate Snapshot

Annual Precip

15.8"

Growing Degree Days

2,516.3

Base 50F

Last Spring Frost

05/13

First Fall Frost

10/04

Days Above 95F

44

Hardiness Zone

6a

Seeding Calendar — Zone 6A

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

Seasonal Lawn Care Checklist

Spring

  • Apply pre-emergent herbicide when soil reaches 55F
  • Begin mowing when grass reaches 3 inches
  • 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

  • Overseed warm-season lawns if thinning
  • Apply fall fertilizer (highest N application for cool-season)
  • Continue mowing until growth stops
  • Rake or mulch leaves to prevent smothering

Winter

  • Apply pre-emergent for winter weeds
  • 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

2.5"

inches of water

Monthly Water

7,653

gallons

Estimated Monthly Cost

$61.23

at $0.008/gallon average

Estimates based on 16" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Garfield County

Drought Stress

With only 16 inches of annual rainfall, lawns in Garfield County face significant drought stress. Consider drought-tolerant grass species and deep, infrequent watering.

Persistent Drought Conditions

Garfield County experienced drought conditions for 53 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: Garfield County

Lawn Verdict

Garfield County sits in USDA hardiness zone 6a, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -10.0°F. and 2,516.3 growing degree days, sufficient for most common turfgrasses. Low rainfall (15.8 inches) means supplemental irrigation is essential during summer months.

Seasonal Breakdown

Wait until after May 13 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 72.3°F) reduce heat stress — maintain regular mowing and moderate watering. With 43.525000000000006 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 4; this is the best renovation window. Cool winters (January averages 24.8°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

Low annual precipitation (15.8 inches) makes irrigation essential for maintaining green turf through summer. Currently, 100.0% of the county is in moderate drought according to the US Drought Monitor. Consider reducing irrigation frequency and allowing cool-season lawns to go semi-dormant during peak heat. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.

Regional Context

Garfield County is close to the Colorado average temperature, USDA zone 6a 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 Garfield County in?
Garfield County is located in USDA hardiness zone 6a, 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 Garfield County?
Buffalograss is the top recommendation for Garfield 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 Garfield County get?
Garfield County receives an average of 15.8 inches of precipitation per year, based on NOAA 30-year climate normals. This relatively low rainfall makes drought-tolerant grass species particularly important.

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