Lawn Care Guide for Campbell County
Campbell County, Tennessee
USDA SSURGO / PHZMData Story
About Lawn Care in Campbell County, Tennessee
Campbell's High Score for Lawn Ease
Campbell County is a gardener's friend with a lawn score of 56.0, indicating it is easier to maintain than 56% of the country. Its Zone 7a status and lower heat stress contribute to this very favorable rating.
Gentler Summers for Healthier Grass
With only 25 days of extreme heat and 54.6 inches of rain, the climate is naturally supportive of healthy turf. A shorter growing season of 3,831 degree days means you will spend less time mowing than neighbors to the south.
Managing Soil Acidity and Clay
Soil pH sits at 5.20, which is more acidic than the ideal 6.0 range but manageable with standard lime treatments. The 21.8% clay content is helpful for holding moisture during the warmest parts of the summer.
Consistently Low Drought Pressure
Drought is less of a concern here, with only 9 weeks of dry conditions recorded over the past year. Even though the area is currently 100% abnormally dry, the lack of severe drought history makes lawn recovery much faster.
Ideal Timing for Cool-Season Turf
The cooler Zone 7a climate is perfect for seeding cool-season grasses in the early spring. Aim to have your lawn established between the April 18th last frost and the October 24th first frost for the best results.
Lawn Difficulty Score
Top Grass Fit for Campbell County
Excellent match
Jonathan Green Black Beauty Ultra
Jonathan Green
Top cultivar score: 92/100
Zone 7a vs Tall Fescue's 3–8 band.
Soil pH 5.20458292150841 vs Tall Fescue's 5.5–6.5 window.
Precipitation 54.56" + soil AWC vs Tall Fescue's 20–30" need.
Growing-degree-days + frost window vs a intermediate-difficulty establishment.
If you spend any time on lawn care forums, Reddit's r/lawncare, or YouTube lawn channels, one name comes up more than any other: Jonathan Green Black Beauty Ultra. It's practically a cult favorite, and the label, cultivar story, and long-running owner reports explain why. The secret is in the genetics.
In Campbell County, USDA zone 7a, soil pH 5.2, Jonathan Green Black Beauty Ultra scores 92/100 — a strong zone match, adequate moisture, and a long enough establishment window.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Bermudagrass
Cynodon dactylon
Best Grass Seed for Campbell County
Zone 7a • Cool- and warm-season grasses thrive here.
Find Seeds for Zone 7aClimate Snapshot
Annual Precip
54.6"
Growing Degree Days
3,831.4
Base 50F
Last Spring Frost
04/18
First Fall Frost
10/24
Days Above 95F
25
Hardiness Zone
7a
Seeding Calendar — Zone 7A
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 55" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Campbell County
Excess Moisture & Fungal Disease
High annual rainfall (55 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.
Acidic Soil
Soil pH of 5.2 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.
Lawn Care Advisory: Campbell County
Lawn Verdict
Campbell County falls in USDA hardiness zone 7a, a favorable range for both cool- and warm-season grasses. with winter lows reaching around 0.0°F. and 3,831.4 growing degree days, sufficient for most common turfgrasses. High annual precipitation (54.6 inches) supports lush growth but increases disease pressure.
Seasonal Breakdown
Wait until after April 18 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 75.3°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 24; this is the best renovation window. Cool winters (January averages 35.6°F) mean slow or dormant growth; keep debris off the lawn.
Watering Guidance
Campbell County receives abundant rainfall (54.6 inches annually), so lawns rarely need supplemental irrigation. Currently, 94.7% of the county is in abnormally dry according to the US Drought Monitor. Standard warm-season watering of 1 inch per week is usually adequate during summer.
Regional Context
Campbell County is close to the Tennessee average temperature, USDA zone 7a helps guide grass selection compared to neighboring counties.
Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com
Frequently Asked Questions
What USDA hardiness zone is Campbell County in?
What is the best grass for Campbell County?
How much rainfall does Campbell County get?
What is the soil pH in Campbell County?
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.
Explore more data for Campbell County