Humphreys County Soil Data
Humphreys County, Tennessee
Avg pH
5.2
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.1%
Hydrologic Group
N/A
Data Story
About Soil in Humphreys County, Tennessee
Acidic soils of the Western Highland Rim
Humphreys County records a soil pH of 5.25, placing it slightly below the Tennessee state average of 5.35. This acidic profile is common for the region, though it sits a full point below the national median of 6.5.
Balanced silt and sand mix
The soil contains 54.7% silt, 22.1% sand, and 19.9% clay, creating a medium-textured profile. This blend allows for decent drainage while the silt component ensures the ground doesn't dry out too quickly.
Solid organic matter and water storage
Organic matter stands at 2.08%, which exceeds the national average of 2.0% but trails the state's 2.44% mark. The available water capacity of 0.173 in/in is slightly higher than the state average, indicating good drought resilience.
Local hydrology and landscape
While specific drainage classes are unclassified in the primary data, the soil composition suggests steady water movement. The mix of sand and silt typically prevents the severe waterlogging seen in heavier clay counties.
Success in Zone 7b
In Zone 7b, Humphreys County gardeners can thrive with tomatoes, peppers, and various fruit trees. Focus on adding organic mulch to maintain the soil's natural water-holding strengths.
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 Humphreys County have?
Humphreys County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 22% sand, 55% silt, and 20% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Humphreys County's soil acidic or alkaline?
Humphreys County's soil has a low pH of 5.2, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Humphreys County?
Drainage class data is not currently available for Humphreys County.
What crops or plants grow well in Humphreys County's soil?
Based on Humphreys County's Silt Loam texture, pH of 5.2, 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 Humphreys County?
The dominant USDA soil order for Humphreys County is not currently available in our dataset.
Planning your lawn? View lawn care data for Humphreys 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.