Clay County Soil Data
Clay County, Kentucky
Avg pH
5.3
Texture
Loam
Drainage
N/A
Organic Matter
9.6%
Hydrologic Group
N/A
Data Story
About Soil in Clay County, Kentucky
Acidic and Rich Mountain Soil
Clay County features a very acidic soil profile with an average pH of 5.31, falling well below the national median of 6.5. This low pH is characteristic of the region but requires lime adjustments for traditional vegetable gardening. Despite the acidity, the county maintains a soil score of 50.7, indicating localized productivity.
Gritty Texture and Low Clay
This soil is surprisingly sandy at 38.6%, paired with 36.0% silt and only 14.5% clay. This high sand content suggests the soil is easy to work and resists the sticky compaction common in other parts of Kentucky. The light texture helps roots penetrate deeply, though it can drain quickly.
Exceptional Organic Matter Levels
Clay County boasts a remarkable 9.62% organic matter content, nearly triple the Kentucky state average of 3.55%. This rich carbon store helps offset a lower-than-average water capacity of 0.158 in/in. The high organic load provides an incredible natural nutrient bank for forest and field alike.
Rapid Infiltration and Drainage
While specific drainage classifications are not recorded, the high sand and low clay percentages point toward fast-draining soils. These conditions prevent waterlogging but may require more frequent watering during Kentucky's humid summers. Gardeners should monitor soil moisture closely due to the lower available water capacity.
A Haven for Acid-Loving Plants
The Zone 7a climate and acidic soils are perfect for blueberries, azaleas, and rhododendrons. With such high organic matter, your soil is already naturally enriched for mountain-style gardening. Use the longer growing season to cultivate a diverse backyard orchard or woodland garden.
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: 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 Loam. This indicates the relative proportions of sand, silt, and clay — 39% sand, 36% silt, and 15% 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 low pH of 5.3, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
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 Loam texture, pH of 5.3, and drainage class, the soil is well suited for acid-loving plants like blueberries and azaleas, 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 Kentucky
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.