Coke County Soil Data
Coke County, Texas
Avg pH
7.6
Texture
Fine sandy loam
Drainage
Well drained
Organic Matter
1.7%
Hydrologic Group
C
Data Story
About Soil in Coke County, Texas
Alkaline Alfisols of Coke County
Coke County features fine sandy loam soils belonging to the Alfisol order, known for their distinct layers. At a pH of 7.59, these soils are significantly more alkaline than the national median of 6.5.
A Balanced Sandy Loam Mix
The soil contains 46.4% sand, 28.3% silt, and 24.2% clay, creating a workable texture for local farmers. This specific blend allows for decent root penetration while the clay content helps retain necessary moisture.
Exceeding State Organic Matter Levels
With 1.70% organic matter, the county slightly outperforms the Texas average of 1.66%. The available water capacity sits exactly at the state benchmark of 0.133 in/in, providing a stable foundation for plant growth.
Steady Drainage for West Texas
The soil is classified as well drained, preventing water from pooling around sensitive roots. It belongs to hydrologic group C, indicating a moderately high runoff potential when the ground becomes saturated.
Thriving in Hardiness Zone 8a
Zone 8a supports hardy crops like pecans and peaches that handle the West Texas heat well. Start your garden today to take advantage of these well-drained loams and consistent soil structure.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group C — Moderate-High Runoff
Soils with slow infiltration rates, often with a layer that impedes downward water movement. Higher clay content restricts drainage.
Drainage Class
Well drained
Water is removed from the soil readily but not rapidly. Optimal for most plants and construction.
Soil Profile
Dominant texture: Fine sandy loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Coke County have?
Coke County's soil is classified as Fine sandy loam. This indicates the relative proportions of sand, silt, and clay — 46% sand, 28% silt, and 24% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Coke County's soil acidic or alkaline?
Coke County's soil has a pH of 7.6, which is mildly to moderately alkaline. Sulfur amendments can lower pH if needed.
What is the drainage class for Coke County?
Coke County has a dominant drainage class of "Well drained." Well-drained soils allow excess water to move through quickly, reducing waterlogging risk and supporting most field and garden crops.
What crops or plants grow well in Coke County's soil?
Based on Coke County's Fine sandy loam texture, pH of 7.6, and Well drained, the soil is well suited for drought-tolerant crops and native grasses, row crops and vegetable gardens, most annual and perennial crops.
What USDA soil order is found in Coke County?
Coke County's dominant soil order is Alfisols. Alfisols are moderate to high base-status soils with a clay-enriched subsoil. They support productive forests and cropland across temperate regions.
Planning your lawn? View lawn care data for Coke County on LawnByCounty.com →
Other Counties in Texas
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.