Bell County Soil Data
Bell County, Texas
USDA SSURGO / PHZMAvg pH
7.5
Texture
Clay Loam
Drainage
N/A
Organic Matter
2.2%
Hydrologic Group
D
Data Story
About Soil in Bell County, Texas
Central Texas Alkaline Soils
Bell County has an average pH of 7.47, making it more alkaline than the state average of 7.09 and the national median of 6.5. While taxonomic data is currently limited, the high pH suggests a mineral-rich environment. This alkalinity is common across the Blackland Prairie and Grand Prairie regions.
A Strong Clay and Silt Mix
The soil is comprised of 37.3% clay and 35.9% silt, with only 24.2% sand. This high concentration of fine particles leads to a dense soil structure that holds nutrients and water very effectively. However, this mix can be challenging to work with manual tools due to its heavy weight.
Excellent Fertility and Water Capacity
Bell County stands out with 2.16% organic matter, well above the state average of 1.66% and even the national average of 2.0%. The available water capacity is also high at 0.148 in/in. These numbers indicate a very productive soil that supports vigorous plant growth.
High Runoff Risk in Group D
The soil belongs to hydrologic group D, which features very slow infiltration and high runoff potential. While specific drainage classes aren't listed, this group typically indicates a risk for standing water after heavy rains. Builders must use caution, as these soils often expand and contract with moisture changes.
Deep Soil Success in Zone 8b
In hardiness zone 8b, the combination of high organic matter and water capacity is a dream for vegetable gardeners. Native pecans and oaks also thrive in these deep, nutrient-dense soils. Take advantage of the natural fertility by planting heavy-feeding crops like corn or tomatoes.
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: Clay Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Clay Soil Detected
Clay soils can struggle with drainage. These products improve soil structure and water flow.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Bell County have?
Bell County's soil is classified as Clay Loam. This indicates the relative proportions of sand, silt, and clay — 24% sand, 36% silt, and 37% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Bell County's soil acidic or alkaline?
Bell County's soil has a pH of 7.5, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Bell County?
Drainage class data is not currently available for Bell County.
What crops or plants grow well in Bell County's soil?
Based on Bell County's Clay Loam texture, pH of 7.5, and drainage class, the soil is well suited for drought-tolerant crops and native grasses, row crops and vegetable gardens.
What USDA soil order is found in Bell County?
The dominant USDA soil order for Bell County is not currently available in our dataset.
Soil & Planting Advisory: Bell County
Soil Verdict
Bell County is in USDA hardiness zone 8b, a warm climate zone. where winter lows can reach 15°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. 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.
Regional Context
Bell County closely matches the Texas average hardiness conditions. The zone range of 8b-9a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Bell 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.