Cumberland County Soil Data
Cumberland County, Kentucky
USDA SSURGO / PHZMAvg pH
5.7
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.2%
Hydrologic Group
N/A
Data Story
About Soil in Cumberland County, Kentucky
Classic Southern Kentucky Soil Profile
Cumberland County features an average pH of 5.69, which is typical for the state but lower than the national median. The overall soil score of 49.5 reflects the rugged terrain of the Cumberland River valley. These soils require localized attention but remain productive for traditional Kentucky crops.
Balanced Loam with Silt Focus
The soil is comprised of 51.2% silt, 29.0% sand, and 19.8% clay. This balanced mix creates a loamy texture that offers good workability for farmers and gardeners alike. The moderate sand content ensures that the soil doesn't become too tight or difficult to till.
Consistent Moisture for Deep Roots
Available Water Capacity is 0.183 in/in, sitting right at the Kentucky state average of 0.186. Organic matter content is 2.23%, providing a solid baseline for biological activity in the soil. These levels support steady growth, though regular organic additions will improve long-term yield.
Reliable Hydrology for Gardening
Specific drainage and hydrologic data are not available, but the balanced texture suggests moderate drainage rates. The mix of silt and sand generally allows water to move through the profile without causing frequent standing water. This makes it a reliable choice for various agricultural and construction projects.
Cultivate the River Valley
The Zone 7a climate allows for a long growing season that supports everything from tobacco to heirloom tomatoes. With moderate water capacity and a loamy texture, your garden has a strong foundation for success. Plant a variety of summer crops to take full advantage of the local weather.
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
Acidic Soil Detected
Your county's average pH is 5.7. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Cumberland County have?
Cumberland County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 29% sand, 51% silt, and 20% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Cumberland County's soil acidic or alkaline?
Cumberland 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 Cumberland County?
Drainage class data is not currently available for Cumberland County.
What crops or plants grow well in Cumberland County's soil?
Based on Cumberland 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 Cumberland County?
The dominant USDA soil order for Cumberland County is not currently available in our dataset.
Soil & Planting Advisory: Cumberland County
Soil Verdict
Cumberland County is in USDA hardiness zone 7a, a moderate climate zone. where winter lows can reach 0°F. Mild winters mean soil rarely freezes deeply, allowing year-round microbial activity and faster organic matter breakdown.
Planting Guidance
Warm-season crops, citrus relatives, and heat-loving ornamentals do well. Cool-season vegetables should be planted in fall and winter. Winter protection (mulch, burlap wraps) helps push the zone boundary for desired species. Always match plant selections to the specific microclimate of your property — low spots, slopes, and wind exposure can shift effective hardiness by half a zone.
Soil Implications
Warm soils accelerate organic matter breakdown, so compost and mulch need replenishing more frequently than in cooler zones. Sandy soils common in warm zones drain quickly; water-retentive amendments like compost or peat help hold moisture. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.
Regional Context
Cumberland County closely matches the Kentucky average hardiness conditions.
Planning your lawn? View lawn care data for Cumberland 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.