Lawn Care Guide for Davidson County
Davidson County, Tennessee
Data Story
About Lawn Care in Davidson County, Tennessee
Balancing Nashville's Mid-Range Difficulty
Davidson County holds a lawn difficulty score of 47.6, sitting almost exactly at the Tennessee state average. Lawns in this 7b zone must balance moderate rainfall with a significant number of high-heat summer days.
Monitoring 48 Days of Extreme Heat
With 48 extreme heat days, Nashville lawns face more thermal stress than the state average of 36 days. The 51.7 inches of annual precipitation provides a good baseline, but summer evaporation rates are high.
Improving Drainage in Silt Loam
The soil is a silt loam with a pH of 5.37 and a clay content of 21.1%. While it is moderately well-drained, homeowners should monitor for compaction and consider core aeration to help roots reach deeper.
Preparing for Moderate Drought Cycles
The county experienced only 10 weeks of drought over the last year, which is lower than many neighboring counties. Currently, 63% of the area is abnormally dry, making smart irrigation critical as the summer heat rises.
Nashville's Window for Optimal Growth
Hybrid Bermuda or Zoysia are robust choices for the local climate and 7b zone. For best results, seed your lawn after the last frost on April 6 and before the fall cooling starts in late October.
Lawn Difficulty Score
Soil Summary
pH
5.4
Texture
Silt loam
Drainage
Moderately well drained
Organic Matter
1.9%
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Climate Snapshot
Annual Precip
51.7"
Growing Degree Days
4,611.9
Base 50F
Last Spring Frost
04/06
First Fall Frost
10/31
Days Above 95F
48
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 52" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Davidson County
Excess Moisture & Fungal Disease
High annual rainfall (52 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.
Acidic Soil
Soil pH of 5.4 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.
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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