Lawn Care Guide for Floyd County

Floyd County, Iowa

Data Story

About Lawn Care in Floyd County, Iowa

Floyd County Beats the State Average

Floyd County boasts a high lawn difficulty score of 83.3, making it one of the easiest places in Iowa to maintain turf. This score far exceeds the national average of 50.0. The 5a hardiness zone is perfectly suited for resilient, cool-season grass varieties.

Favorable Temperatures for Turf

Annual precipitation of 37.7 inches sits comfortably above the state average of 36.1 inches. With only 9 days above 90°F, your lawn avoids the heavy heat stress found in southern Iowa counties. The 2754 growing degree days provide a consistent, predictable schedule for mowing and fertilization.

Rich Loam Soil Foundations

The county features well-drained loam soil with a 6.58 pH, which is near-perfect for grass. A 21.4% clay content provides enough structure to hold nutrients without becoming waterlogged. This balance makes it an excellent environment for deep-rooting lawn varieties.

Resilient Landscapes and Low Stress

Floyd County saw only 6 weeks of drought over the last year and currently has 0% drought coverage. This stability reduces the need for expensive irrigation systems. Standard mulching of grass clippings can further preserve soil moisture during brief dry periods.

Planting for Success in Floyd

Fine fescues and bluegrass blends are the gold standard for this region's climate. Plan your seeding projects after the April 30th frost to take advantage of the spring rains. Establishing your lawn by early October ensures it survives the first frost typically arriving on October 6th.

Lawn Difficulty Score

10/100
Easy
Rainfall0/100
Soil Quality0/100
Temperature5/100
Growing Season40/100
Drought12/100

Soil Summary

pH

6.6

Texture

Loam

Drainage

Well drained

Organic Matter

4.0%

View full soil details

Recommended Grasses

Cool-Season

Kentucky Bluegrass

Poa pratensis

Drought: 2/5Shade: 2/5
Suitability70%
View Seeds
Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability70%
View Seeds
Cool-Season

Perennial Ryegrass

Lolium perenne

Drought: 2/5Shade: 2/5
Suitability70%
View Seeds
Warm-SeasonTransition Zone

Buffalograss

Bouteloua dactyloides

Drought: 5/5Shade: 1/5
Suitability70%
View Seeds

Climate Snapshot

Annual Precip

37.7"

Growing Degree Days

2,754.3

Base 50F

Last Spring Frost

04/30

First Fall Frost

10/06

Days Above 95F

9

Hardiness Zone

5a

Seeding Calendar — Zone 5A

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

0.6"

inches of water

Monthly Water

1,942

gallons

Estimated Monthly Cost

$15.53

at $0.008/gallon average

Estimates based on 38" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

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.