Lawn Care Guide for Ida County

Ida County, Iowa

Data Story

About Lawn Care in Ida County, Iowa

Tackling Tougher Conditions in Ida

Ida County has a lawn score of 72.8, the lowest in this group and below the state average of 77.2. While still outperforming the national median, local conditions in Zone 5a require a more disciplined approach to lawn maintenance.

Drier Air and Steady Summer Heat

With only 32.7 inches of annual rainfall, Ida is drier than the Iowa average of 36.1 inches. When combined with 14 extreme heat days and 2,915 growing degree days, lawns here often require supplemental irrigation to stay green.

Heavy Silty Clay Loam Soil

The soil is a well-drained silty clay loam with a pH of 6.31 and a high clay content of 28.1%. This texture is excellent for holding onto nutrients, but it can be prone to compaction if foot traffic is heavy when the ground is wet.

Navigating a Dry Western Outlook

The entire county is currently classified as abnormally dry, and it has faced 15 weeks of drought over the past year. Deeply soaking the soil once a week is essential here to keep the 28.1% clay from cracking and damaging grass roots.

Sowing for Resilience in Ida

Tall Fescue or drought-tolerant Bluegrass hybrids are your best bet for these drier conditions. Aim to get seeds in the ground after April 30 and allow the 47.1°F average annual temperature to work in your favor during the fall seeding window.

Lawn Difficulty Score

19/100
Easy
Rainfall26/100
Soil Quality0/100
Temperature7/100
Growing Season40/100
Drought29/100

Soil Summary

pH

6.3

Texture

Silty clay loam

Drainage

Well drained

Organic Matter

3.1%

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
Cool-Season

Fine Fescue

Festuca spp.

Drought: 3/5Shade: 5/5
Suitability70%
View Seeds

Climate Snapshot

Annual Precip

32.7"

Growing Degree Days

2,915.4

Base 50F

Last Spring Frost

04/30

First Fall Frost

10/12

Days Above 95F

14

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

1.1"

inches of water

Monthly Water

3,324

gallons

Estimated Monthly Cost

$26.59

at $0.008/gallon average

Estimates based on 33" 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.