Lawn Care Guide for Lincoln County
Lincoln County, Tennessee
Data Story
About Lawn Care in Lincoln County, Tennessee
Balancing Heat and Heavy Rain
Lincoln County scores 43.2 for lawn difficulty, reflecting a more challenging environment than the state average of 48.0. Residents in this Zone 7b area must navigate intense summer heat and frequent storms. While the score is below the national median, local expertise can overcome these regional hurdles.
Surpassing Ideal Rainfall Levels
The county receives a heavy 59.8 inches of rain annually, nearly 10 inches above the ideal lawn range. This moisture is paired with 51 extreme heat days, which is much higher than the Tennessee average of 36. This combination creates a humid environment where fungal diseases can thrive if lawns are not properly aerated.
Correcting Acidic Foundation
Soil pH in Lincoln County averages 5.59, which is slightly below the 6.0 minimum recommended for healthy turf. The soil contains 21.8% clay, which helps retain nutrients but can lead to compaction under heavy rain. Periodic soil testing and lime applications are necessary to keep the soil chemistry favorable for grass roots.
Brief but Impactful Droughts
Though the county only saw 12 weeks of drought in the past year, current conditions show 100% of the area is abnormally dry. This makes the high summer heat particularly dangerous for lawns without a backup irrigation plan. Using rain barrels can help capture the county's high rainfall to use during these dry stretches.
Warm-Season Grass Performance
Bermuda or Zoysia are excellent choices here because they thrive during the 51 days of extreme heat. Aim to seed your lawn after the last spring frost on April 7 to ensure the soil has warmed up sufficiently. Be mindful that the growing season ends with the first frost around October 28.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Climate Snapshot
Annual Precip
59.8"
Growing Degree Days
4,734.7
Base 50F
Last Spring Frost
04/07
First Fall Frost
10/28
Days Above 95F
51
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 60" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Lincoln County
Excess Moisture & Fungal Disease
High annual rainfall (60 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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