Sevier County Soil Data
Sevier County, Tennessee
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Sevier County, Tennessee
Diverse soils of the Great Smokies
Sevier County's complex mountain geography means that county-wide averages for pH and taxonomy are not currently available. The soil here is shaped by the proximity to the Great Smoky Mountains, creating highly localized conditions.
A mosaic of mountain materials
Specific sand, silt, and clay percentages are not recorded at the county level for Sevier. Growers typically encounter a wide range of textures, from rocky forest floors to rich alluvial deposits in the lower valleys.
Testing for mountain fertility
While official data on organic matter and water capacity is missing, the surrounding region's natural forests suggest pockets of high fertility. Gardeners should conduct individual soil tests to see how their land compares to the Tennessee average AWC of 0.171 in/in.
Elevation drives water movement
Official drainage classes are unmapped, yet the dramatic topography ensures that water moves quickly across the landscape. Proper erosion control is the most critical factor for any agricultural or building project in this area.
Garden in the lush Zone 7b
Sevier County resides in Zone 7b, offering a climate where everything from rhododendrons to summer squash can flourish. Use the local climate to your advantage and start a garden that celebrates the biodiversity of the Appalachian foothills.
Soil Composition
Composition data not available for this county.
Soil pH
pH data not available for this county.
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Hydrologic group data not available.
Drainage Class
Drainage class data not available.
Soil Profile
Dominant texture: Unknown
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Sevier County have?
Sevier County's soil is classified as Unknown. This indicates the relative proportions of sand, silt, and clay — sand percentage unavailable, silt percentage unavailable, and clay percentage unavailable. Sandy soils drain quickly but may need more frequent irrigation and fertilization.
Is Sevier County's soil acidic or alkaline?
pH data is not available for Sevier County.
What is the drainage class for Sevier County?
Drainage class data is not currently available for Sevier County.
What crops or plants grow well in Sevier County's soil?
Based on Sevier County's Unknown texture, soil pH, and drainage class, the soil is well suited for a variety of crops depending on local conditions.
What USDA soil order is found in Sevier County?
The dominant USDA soil order for Sevier County is not currently available in our dataset.
Soil & Planting Advisory: Sevier County
Soil Verdict
Sevier 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
Sevier 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.
Planning your lawn? View lawn care data for Sevier County on LawnByCounty.com →
Other Counties in Tennessee
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.