Clay County Soil Data
Clay County, Tennessee
Avg pH
5.7
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.0%
Hydrologic Group
N/A
Data Story
About Soil in Clay County, Tennessee
Favorable Acidity Levels
Clay County soils show an average pH of 5.73, making them some of the less acidic soils in the region though still below the 6.5 national median. While specific taxonomic orders are unlisted, this pH level is favorable for many native Tennessee plants.
Dominant Silty Environments
Silt is the dominant component at 56.1%, balanced by 23.9% sand and 20.0% clay. This silty composition creates a fertile environment that offers a good balance between drainage and moisture retention.
Strong Water Capacity
Organic matter levels sit at 2.04%, which is slightly below the 2.44% state average. However, the available water capacity of 0.177 in/in is better than the state average, providing plants with a reliable water source during the growing season.
A Capable Landscape
Though formal drainage classes are not available, the county's respectable soil score of 47.2 indicates a healthy and capable landscape. The mix of silt and clay suggests that water moves through the soil at a steady, manageable pace.
Lush Gardens in Zone 7a
Residents in hardiness zone 7a can take advantage of the high water capacity to grow lush vegetable gardens. With a bit of organic enrichment, your soil is ready to support everything from leafy greens to summer squash.
Soil Composition
Soil pH
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: Silt Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Clay County have?
Clay County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 24% sand, 56% silt, and 20% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Clay County's soil acidic or alkaline?
Clay County's soil has a pH of 5.7, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Clay County?
Drainage class data is not currently available for Clay County.
What crops or plants grow well in Clay County's soil?
Based on Clay County's Silt Loam texture, pH of 5.7, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.
What USDA soil order is found in Clay County?
The dominant USDA soil order for Clay County is not currently available in our dataset.
Planning your lawn? View lawn care data for Clay 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.