Lawrence County Soil Data
Lawrence County, Kentucky
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Lawrence County, Kentucky
Northeastern Kentucky Soil Chemistry
Lawrence County’s soil taxonomy is currently being updated, but the area generally reflects the state’s 5.80 pH average. This is more acidic than the 6.5 national median, a trait that local farmers must account for when managing their fields. This baseline acidity is a key component of the county's natural landscape.
Composition and Soil Health
Specific data on sand, silt, and clay is currently unavailable for this area, yet these factors remain crucial for drainage and aeration. The textural mix determines how easy it is to work the soil and how well it supports building foundations. Knowing the physical makeup of your land is the key to sustainable management.
Natural Fertility and Water Storage
Lawrence County benefits from a state organic matter average of 3.55%, which is significantly higher than the 2.0% national average. The state's average water capacity of 0.186 in/in also highlights the soil's ability to store moisture for crops. These benchmarks represent a high potential for productive agricultural and forest land.
Water Flow in the Big Sandy Basin
The dominant drainage class and hydrologic group for this county record are currently unmapped. In the Big Sandy River region, understanding local hydrology is essential for avoiding flood damage and ensuring crop success. Residents should observe how water behaves on their property during the wet spring months.
Growing Strong in Zone 6b
Lawrence County is located in Hardiness Zone 6b, which supports a wide variety of cold-hardy plants and fruits. This zone is particularly good for apples, stone fruits, and winter-hardy vegetables like kale and garlic. It is a fantastic environment for anyone looking to cultivate a productive and diverse home garden.
Soil Composition
Composition data not available for this county.
Soil pH
pH data not available for this county.
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: Unknown
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Lawrence County have?
Lawrence County's soil is classified as Unknown. This indicates the relative proportions of sand, silt, and clay — sand percentage unavailable, silt percentage unavailable, and clay percentage unavailable. Sandy soils drain quickly but may need more frequent irrigation and fertilization.
Is Lawrence County's soil acidic or alkaline?
pH data is not available for Lawrence County.
What is the drainage class for Lawrence County?
Drainage class data is not currently available for Lawrence County.
What crops or plants grow well in Lawrence County's soil?
Based on Lawrence County's Unknown texture, soil pH, and drainage class, the soil is well suited for a variety of crops depending on local conditions.
What USDA soil order is found in Lawrence County?
The dominant USDA soil order for Lawrence County is not currently available in our dataset.
Soil & Planting Advisory: Lawrence County
Soil Verdict
Lawrence County is in USDA hardiness zone 6b, a moderate climate zone. where winter lows can reach -5°F. Freeze-thaw cycles are moderate; soil biology slows in winter but recovers reliably in spring, supporting a broad range of plants.
Planting Guidance
A wide plant palette is possible: deciduous trees, most shrubs, cool-season vegetables, and many perennials thrive here. 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
Moderate freeze-thaw cycles naturally aerate the soil but can also cause compaction in clay-heavy areas; annual core aeration is beneficial. Organic matter amendments decompose at a moderate pace — aim for 3-5% organic content for optimal fertility. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.
Regional Context
Lawrence County is somewhat cooler than the Kentucky statewide average. The zone range of 6b-7a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Lawrence 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.