Lawn Care Guide for Logan County
Logan County, Illinois
Data Story
About Lawn Care in Logan County, Illinois
Top-Tier Growing Conditions in Logan
Logan County is one of the easiest places in the state for lawns, with a high difficulty score of 76.5. This ranks well above both the Illinois average of 69.8 and the national benchmark of 50.0.
Balanced Moisture and Summer Energy
The climate features 39.3 inches of rain and 24 extreme heat days, which is quite balanced for a Zone 6a region. These factors, combined with 3,495 growing degree days, ensure your grass has plenty of energy to thrive.
Optimal Soil Chemistry for Success
A pH of 6.59 is nearly optimal for turfgrass, meaning you won't need much lime or sulfur to balance your yard. The 23% clay and low 12.1% sand content indicate the soil is excellent at retaining moisture during peak summer.
Urgent Water Conservation in Severe Drought
The county is currently facing 100% severe drought after 28 weeks of dry conditions last year. It is vital to adhere to local water restrictions and focus irrigation on high-traffic areas and young grass.
Strategic Planting for Logan County
Mixes containing Kentucky Bluegrass and Perennial Ryegrass work best for this Zone 6a environment. Time your planting for late April once the frost clears on April 20, or in early fall before the October 16 freeze.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
39.3"
Growing Degree Days
3,494.5
Base 50F
Last Spring Frost
04/20
First Fall Frost
10/16
Days Above 95F
24
Hardiness Zone
6a
Seeding Calendar — Zone 6A
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
Monthly Deficit
0.6"
inches of water
Monthly Water
1,773
gallons
Estimated Monthly Cost
$14.18
at $0.008/gallon average
Estimates based on 39" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Logan County
Persistent Drought Conditions
Logan County experienced drought conditions for 28 of the past 52 weeks. Prioritize water-efficient grasses and consider reducing lawn area.
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.
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