Lawn Care Guide for Cannon County
Cannon County, Tennessee
Data Story
About Lawn Care in Cannon County, Tennessee
Cannon County's Balanced Growing Profile
Cannon County hits a score of 50.9, placing it right at the national average for lawn care difficulty. It is slightly easier to manage than the Tennessee state average of 48.0, despite high summer temperatures.
Dealing with Persistent Summer Heat
Homeowners face 55 days of temperatures over 90°F, which is much higher than the state average of 36. This heat creates a demanding environment that strongly favors warm-season grasses over cooler varieties.
Working with Well-Drained Flaggy Clay
The soil is a flaggy clay with a pH of 5.60, providing a sturdy but somewhat acidic foundation. Excellent drainage ensures that the 57.6 inches of annual rain won't drown your roots, even during heavy downpours.
Excellent Resilience Against Drought
The county is exceptionally resilient, having faced only 1 week of drought over the past year. While half the county is currently abnormally dry, the overall water stability is much better than most neighboring areas.
Choosing Heat-Tolerant Grasses
Bermuda or Zoysia are your best bets to survive the 55 extreme heat days each year. Start your lawn after the April 17th frost to take full advantage of the growing season before the October 21st freeze.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Climate Snapshot
Annual Precip
57.6"
Growing Degree Days
4,417.2
Base 50F
Last Spring Frost
04/17
First Fall Frost
10/21
Days Above 95F
55
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 58" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Cannon County
Excess Moisture & Fungal Disease
High annual rainfall (58 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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