Harrison County Soil Data
Harrison County, Kentucky
Avg pH
6.2
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.6%
Hydrologic Group
N/A
Data Story
About Soil in Harrison County, Kentucky
A High-Scoring Soil Foundation
Harrison County earns a soil score of 66.4, significantly outperforming the Kentucky state average of 56.2. Its average pH of 6.22 is more alkaline than the state average of 5.80 and sits very close to the national neutral ideal of 6.5.
Silt-Driven Soil Texture
The soil contains 58.6% silt and 24.5% clay, resulting in a fine-textured mix that holds nutrients well. With only 16.9% sand, this composition offers excellent workability but requires monitoring to prevent surface crusting.
Superior Water Retention Power
At 2.60%, the organic matter content exceeds the national average of 2.0%, though it remains below the state average. The available water capacity of 0.194 in/in is higher than the state mean, giving crops an edge during dry spells.
Moisture-Rich Growing Conditions
While specific drainage and hydrologic data are limited for this area, the heavy silt concentration suggests high water retention. Growers should plan for soils that stay cool and moist longer into the spring planting season.
Thriving in Zone 6b
The local hardiness zone 6b is perfect for growing robust root vegetables and hardy fruit trees like apples. With high water capacity and balanced pH, Harrison County offers one of the best gardening environments in the Bluegrass State.
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 Harrison County have?
Harrison County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 17% sand, 59% silt, and 25% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Harrison County's soil acidic or alkaline?
Harrison County's soil has a pH of 6.2, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Harrison County?
Drainage class data is not currently available for Harrison County.
What crops or plants grow well in Harrison County's soil?
Based on Harrison County's Silt Loam texture, pH of 6.2, 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 Harrison County?
The dominant USDA soil order for Harrison County is not currently available in our dataset.
Planning your lawn? View lawn care data for Harrison 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.