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Cheatham County Soil Data

Cheatham County, Tennessee

USDA SSURGO / PHZM

Avg pH

5.6

Texture

Silty clay loam

Drainage

Moderately well drained

Organic Matter

3.5%

Hydrologic Group

C

Data Story

About Soil in Cheatham County, Tennessee

Middle Tennessee Soil Profile

While specific taxonomic data is limited, Cheatham County features an average pH of 5.57, which is slightly higher than the state average. This level remains more acidic than the 6.5 national median, typical for the region's wooded landscapes.

Dense Silty Mixtures

The soil is dominated by 58.8% silt and 20.1% clay, providing a dense but nutrient-rich medium for plant roots. With only 18.4% sand, this mix retains moisture well but requires careful management to avoid compaction.

Healthy Nutrient Foundations

Organic matter reaches a healthy 3.48%, comfortably beating the Tennessee average of 2.44%. The available water capacity of 0.177 in/in also sits just above the state mean, signaling high potential for consistent plant growth.

Strong Capability Score

While dominant drainage classes are not recorded here, the soil's high clay and silt content typically suggests moderate permeability. The county's impressive soil score of 53.0 reflects a landscape that supports both robust agriculture and vibrant local flora.

A Thriving Zone 7b Garden

Gardeners in hardiness zone 7b can enjoy a wide variety of vegetables and ornamental plants. The combination of high organic matter and good water retention makes this an excellent environment for a thriving backyard plot.

Soil Composition

Silty clay loam
Sand: 18.4%
Silt: 58.8%
Clay: 20.1%
Silty clay loam

Soil pH

5.6pH
5.56600302671775
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

Soil Series

Detailed soil series data not yet available for this county.

Hydrologic Group

Group C — Moderate-High Runoff

Soils with slow infiltration rates, often with a layer that impedes downward water movement. Higher clay content restricts drainage.

Runoff potential:Moderate-High

Drainage Class

Moderately well drained

Water is removed somewhat slowly. May have a slowly permeable layer or seasonal water table.

Soil Profile

Dominant texture: Silty clay loam

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Acidic Soil Detected

Your county's average pH is 5.6. These products help balance soil pH for healthier grass.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Cheatham County have?

Cheatham County's soil is classified as Silty clay loam. This indicates the relative proportions of sand, silt, and clay — 18% sand, 59% silt, and 20% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Cheatham County's soil acidic or alkaline?

Cheatham County's soil has a pH of 5.6, which is moderately acidic. This range suits many crops and is common across much of the eastern US.

What is the drainage class for Cheatham County?

Cheatham County has a dominant drainage class of "Moderately well drained." Well-drained soils allow excess water to move through quickly, reducing waterlogging risk and supporting most field and garden crops.

What crops or plants grow well in Cheatham County's soil?

Based on Cheatham County's Silty clay loam texture, pH of 5.6, and Moderately well drained, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens, most annual and perennial crops.

What USDA soil order is found in Cheatham County?

Cheatham County's dominant soil order is Ultisols. Ultisols are highly weathered, clay-rich soils common in humid regions. They are low in natural fertility and often require lime and fertilizer for agriculture.

Soil & Planting Advisory: Cheatham County

Soil Verdict

Cheatham County is in USDA hardiness zone 7b, a moderate climate zone. where winter lows can reach 5°F. Mild winters mean soil rarely freezes deeply, allowing year-round microbial activity and faster organic matter breakdown.

Planting Guidance

Warm-season crops, citrus relatives, and heat-loving ornamentals do well. Cool-season vegetables should be planted in fall and winter. Always match plant selections to the specific microclimate of your property — low spots, slopes, and wind exposure can shift effective hardiness by half a zone.

Soil Implications

Warm soils accelerate organic matter breakdown, so compost and mulch need replenishing more frequently than in cooler zones. Sandy soils common in warm zones drain quickly; water-retentive amendments like compost or peat help hold moisture.

Regional Context

Cheatham County closely matches the Tennessee average hardiness conditions. The zone range of 7a-7b within the county means soil and planting decisions should account for local elevation and topography.

Other Counties in Tennessee

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Soil data sourced from USDA SSURGO via Soil Data Access. Data is informational only and should not be used as a substitute for on-site soil testing. Contact your local NRCS office for site-specific soil information.