Jack County Soil Data
Jack County, Texas
Avg pH
7.1
Texture
Clay loam
Drainage
Well drained
Organic Matter
1.7%
Hydrologic Group
D
Data Story
About Soil in Jack County, Texas
Balanced Mollisols of North Texas
Jack County features Mollisols, which are typically dark, fertile soils often found under grasslands. The average pH is a neutral 7.08, matching the Texas state average and sitting just above the national median of 6.5. This creates a highly hospitable environment for most common North Texas vegetation.
The strength of clay loam
The soil is a clay loam made of 49.2% sand, 21.3% clay, and 29.6% silt. This nearly 50% sand content ensures the soil doesn't become too tight, while the clay provides necessary mineral richness. It offers a great balance of workability for builders and stability for farmers.
Steady fertility and water storage
Organic matter content is 1.69%, slightly outperforming the state average of 1.66%. The soil’s available water capacity of 0.137 in/in also beats the state average of 0.133. These metrics contribute to a solid soil score of 35.7, indicating reliable productivity.
Well-drained but runoff-prone
While the dominant soils are well-drained, the county is categorized in hydrologic group D. This indicates that while the surface may drain well, there is high runoff potential during heavy rains due to low infiltration in deep layers. Proper erosion control is vital for maintaining the health of these Mollisol surfaces.
Hardy gardening in Zone 8a
Jack County is located in USDA Hardiness Zone 8a, a region where okra, peppers, and hardy roses thrive. The neutral pH and balanced texture make it easy to start a garden without major chemical adjustments. Claim your piece of the Cross Timbers and start planting today.
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
Well drained
Water is removed from the soil readily but not rapidly. Optimal for most plants and construction.
Soil Profile
Dominant texture: Clay loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Jack County have?
Jack County's soil is classified as Clay loam. This indicates the relative proportions of sand, silt, and clay — 49% sand, 30% silt, and 21% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Jack County's soil acidic or alkaline?
Jack County's soil has a pH of 7.1, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Jack County?
Jack 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 Jack County's soil?
Based on Jack County's Clay loam texture, pH of 7.1, 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 Jack County?
Jack County's dominant soil order is Mollisols. Mollisols are fertile, dark-colored soils that formed under grassland vegetation. They are among the most productive agricultural soils in the world.
Planning your lawn? View lawn care data for Jack 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.