Cotton County Soil Data
Cotton County, Oklahoma
Avg pH
6.3
Texture
Variable
Drainage
N/A
Organic Matter
1.5%
Hydrologic Group
D
Data Story
About Soil in Cotton County, Oklahoma
Neutral and Balanced Soils in Cotton County
Cotton County features a variable soil texture with an average pH of 6.35, which sits just below the national median of 6.5. This pH is notably higher than the Oklahoma state average of 6.06, providing a more neutral environment for diverse plant life.
A Balanced Mix of Sand and Silt
The soil contains 36.1% sand, 32.9% silt, and 20.9% clay, creating a complex and well-distributed mix. This composition offers moderate workability and decent nutrient retention for local agricultural efforts.
Steady Moisture Capacity and Average Fertility
At 1.53%, the organic matter falls slightly below the state average of 1.72%. However, the available water capacity of 0.146 in/in exceeds the state average of 0.144, supporting resilient growing potential during dry spells.
High Runoff Potential Requires Water Management
The county is classified under Hydrologic Group D, indicating high runoff potential and slower water infiltration. While specific drainage class data is limited, this hydrologic profile suggests that careful irrigation management is essential for farming and building.
Thriving in Heat-Tolerant Zone 8a
Located in Hardiness Zone 8a, this county is perfectly suited for heat-tolerant vegetables and southern staples. With a soil score of 44.7 that easily beats the state average of 35.3, it is a great place to start a productive garden.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group D — High Runoff
Clay soils with very slow infiltration rates. Highest runoff potential. These soils have a permanent high water table or are shallow over impervious material.
Drainage Class
Drainage class data not available.
Soil Profile
Dominant texture: Variable
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Cotton County have?
Cotton County's soil is classified as Variable. This indicates the relative proportions of sand, silt, and clay — 36% sand, 33% silt, and 21% clay. Sandy soils drain quickly but may need more frequent irrigation and fertilization.
Is Cotton County's soil acidic or alkaline?
Cotton County's soil has a pH of 6.3, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Cotton County?
Drainage class data is not currently available for Cotton County.
What crops or plants grow well in Cotton County's soil?
Based on Cotton County's Variable texture, pH of 6.3, and drainage class, the soil is well suited for vegetables, grains, and most field crops.
What USDA soil order is found in Cotton County?
The dominant USDA soil order for Cotton County is not currently available in our dataset.
Planning your lawn? View lawn care data for Cotton County on LawnByCounty.com →
Other Counties in Oklahoma
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.