Washington County Soil Data
Washington County, Kentucky
Avg pH
6.1
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.3%
Hydrologic Group
N/A
Data Story
About Soil in Washington County, Kentucky
Washington County's High-Performing Soil
Washington County features an average pH of 6.08, making it less acidic than the state average of 5.8. This brings the soil closer to the national 6.5 median, creating a more balanced environment for root development.
Dense Silt and Clay Mix
The soil composition consists of 60.6% silt and 22.1% clay, offering excellent structure and nutrient-holding capacity. Because sand makes up only 14.2% of the mix, the soil holds water effectively but can be slow to warm up in the spring.
Superior Water Storage for Crops
The county's Available Water Capacity of 0.190 in/in exceeds the Kentucky state average of 0.186. Although the 2.31% organic matter is below the state average, the overall soil score of 60.5 indicates very high agricultural potential.
Efficient Water Management
With a soil score well above the state average of 56.2, Washington County offers some of the best growing conditions in the region. The high silt content requires mindful tilling to maintain good drainage and prevent heavy clods from forming.
Ideal Conditions in Zone 7a
Washington County sits in Hardiness Zone 7a, providing a long window for summer harvests. The high water capacity makes it an ideal spot to plant a diverse garden that can withstand short dry spells.
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 Washington County have?
Washington County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 14% sand, 61% silt, and 22% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Washington County's soil acidic or alkaline?
Washington County's soil has a pH of 6.1, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Washington County?
Drainage class data is not currently available for Washington County.
What crops or plants grow well in Washington County's soil?
Based on Washington County's Silt Loam texture, pH of 6.1, 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 Washington County?
The dominant USDA soil order for Washington County is not currently available in our dataset.
Planning your lawn? View lawn care data for Washington 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.