Lawn Care Guide for Broomfield County

Broomfield County, Colorado

Data Story

About Lawn Care in Broomfield County, Colorado

Broomfield Boasts State-Leading Scores

Broomfield County has a lawn difficulty score of 54.6, the easiest in this group and well above the national median of 50.0. This Zone 6a area offers the best chance for a flourishing lawn in the Front Range region.

High Precipitation Aids Growth

The annual precipitation of 22.6 inches is significantly higher than the state average of 16.2. Combined with a moderate 17 extreme heat days, lawns here experience less environmental stress than most of Colorado.

Customizing Your Urban Soil

While specific county soil data is missing, the local landscape generally supports healthy turf with minimal intervention. Homeowners should focus on regular aeration to combat the soil compaction often found in newer suburban developments.

Widespread Drought Challenges

Broomfield is currently 100% in severe drought, though it only saw 15 weeks of drought over the last year. This sudden shift means residents should transition to drought-resistant maintenance habits, like leaving grass clippings to shade the soil.

Success with Cool-Season Grass

Kentucky Bluegrass and Turf-type Tall Fescue thrive here, especially when given a strong start in the spring. Without specific local frost dates available, follow the regional standard of planting after Mother's Day for the best results.

Lawn Difficulty Score

27/100
Easy
Rainfall53/100
Soil Quality0/100
Temperature8/100
Growing Season5/100
Drought29/100

Soil Summary

pH

N/A

Texture

N/A

Drainage

N/A

Organic Matter

N/A

View full soil details

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

Climate Snapshot

Annual Precip

22.6"

Growing Degree Days

N/A

Base 50F

Last Spring Frost

N/A

First Fall Frost

N/A

Days Above 95F

17

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

1.7"

inches of water

Monthly Water

5,212

gallons

Estimated Monthly Cost

$41.69

at $0.008/gallon average

Estimates based on 23" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Broomfield County

Drought Stress

With only 23 inches of annual rainfall, lawns in Broomfield County face significant drought stress. Consider drought-tolerant grass species and deep, infrequent watering.

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.