Lawn Care Guide for Wilson County
Wilson County, Tennessee
Data Story
About Lawn Care in Wilson County, Tennessee
Favorable Growth Trends in Wilson
Wilson County earns a lawn difficulty score of 52.0, making it easier to maintain a lawn here than in the average U.S. county. This score is significantly higher than the Tennessee state average of 48.0. Residents in Zone 7b enjoy a relatively stable environment for home landscaping.
Handling the Tennessee Heat
Wilson County experiences 53 extreme heat days annually, which is the highest in this regional group and far above the state average of 36. Precipitation is 54.0 inches, slightly above the 30-50 inch ideal range but manageable. This high heat makes drought-tolerant grass selections vital for summer survival.
Managing Poorly Drained Clay
The soil texture is a silty clay loam with a 25.5% clay content and is classified as poorly drained. While the pH of 5.80 is the closest to the ideal range in the region, drainage issues can lead to root rot. Core aeration is highly recommended to help move water through the heavy clay layer.
Top-Tier Drought Resilience
Wilson County had only 7 weeks of drought last year and currently reports 0% of its area in dry or drought conditions. This makes it a regional leader in moisture stability, though the 53 heat days still demand careful monitoring. Maintaining soil health helps the lawn capitalize on this natural water availability.
Maximize the Long Growing Season
With a last frost date of April 10 and a first fall frost on October 30, you have a generous window for turf establishment. Bermuda grass thrives in the 53 heat days, provided you address the poorly drained soil first. Start your lawn projects in late spring to give the grass the best start before the summer peak.
Lawn Difficulty Score
Soil Summary
pH
5.8
Texture
Silty clay loam
Drainage
Poorly drained
Organic Matter
1.9%
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Climate Snapshot
Annual Precip
54.0"
Growing Degree Days
4,512.025
Base 50F
Last Spring Frost
04/10
First Fall Frost
10/30
Days Above 95F
53
Hardiness Zone
7b
Seeding Calendar — Zone 7B
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
0.0"
inches of water
Monthly Water
0
gallons
Estimated Monthly Cost
$0.00
at $0.008/gallon average
Estimates based on 54" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Wilson County
Excess Moisture & Fungal Disease
High annual rainfall (54 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.
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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