Lawn Care Guide for Greene County
Greene County, Iowa
Data Story
About Lawn Care in Greene County, Iowa
Greene County's Turf Potential
Greene County scores a 78.7 for lawn difficulty, placing it above the Iowa state average. As a zone 5a region, it is well-suited for traditional Midwestern lawns. Homeowners here face fewer challenges than those in 50% of the country.
Managing Summer Sun and Rain
The county receives 35.3 inches of rain annually and endures 19 extreme heat days. This combination of average rain and slightly higher heat means your mowing schedule will peak in late spring. Keep an eye on the 2966 growing degree days to time your fertilizer applications perfectly.
Solid Soil Nutrients
The soil pH in Greene County is 6.80, which is near the top of the ideal range for nutrient uptake. While texture data is limited, the 38.7% sand content suggests that drainage is likely efficient in many areas. This prevents the soggy roots often found in heavier clay regions.
Excellent Drought Resistance
Greene County had only 2 weeks in drought over the last year, and currently, no part of the county is dry. This stability is a major advantage for maintaining a green lawn with minimal effort. Consistent rainfall has kept the environment favorable for turf health.
Seeding for a Strong Finish
Standard cool-season blends thrive in this environment when planted in late April. The last spring frost typically occurs around April 26th, opening the window for early growth. Aim to have new grass established before the first fall frost on October 9th.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Buffalograss
Bouteloua dactyloides
Climate Snapshot
Annual Precip
35.3"
Growing Degree Days
2,965.6
Base 50F
Last Spring Frost
04/26
First Fall Frost
10/09
Days Above 95F
19
Hardiness Zone
5a
Seeding Calendar — Zone 5A
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
Monthly Deficit
0.9"
inches of water
Monthly Water
2,667
gallons
Estimated Monthly Cost
$21.34
at $0.008/gallon average
Estimates based on 35" 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.
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