White County Soil Data
White County, Arkansas
Avg pH
5.4
Texture
Fine sandy loam
Drainage
Well drained
Organic Matter
1.7%
Hydrologic Group
B
Data Story
About Soil in White County, Arkansas
Acidic Ultisols Define White County Soils
White County features Ultisols, highly weathered soils common in the Southeast. At a pH of 5.44, these grounds are significantly more acidic than the national median of 6.5.
A Versatile Fine Sandy Loam Mix
A fine sandy loam texture dominates, created by a mix of 44.9% silt and 39.1% sand. This balance ensures the soil is easy to work while 16.0% clay provides enough structure to retain nutrients.
Resilient Water Capacity Despite Low Organic Matter
Organic matter levels sit at 1.65%, which trails the state average of 4.15%. However, an available water capacity of 0.163 in/in beats the state average, indicating strong drought resilience for local crops.
Well Drained Land for Varied Use
These soils are classified as well-drained and belong to hydrologic group B. This combination allows for moderate infiltration rates, making the land ideal for both residential construction and diverse farming.
Thriving Gardens in Zone 8a
Hardiness zone 8a and sandy loam support diverse crops like berries and pecans. While the soil requires lime to balance its natural acidity, it offers a solid foundation for any home gardener to start planting.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group B — Moderate Runoff
Moderately deep, moderately well-drained soils with moderate infiltration rates. Good balance of drainage and water retention.
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 White County have?
White County's soil is classified as Fine sandy loam. This indicates the relative proportions of sand, silt, and clay — 39% sand, 45% silt, and 16% clay. Loamy soils hold moisture well and support a wide range of plants.
Is White County's soil acidic or alkaline?
White County's soil has a low pH of 5.4, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for White County?
White 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 White County's soil?
Based on White County's Fine sandy loam texture, pH of 5.4, and Well drained, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens, most annual and perennial crops.
What USDA soil order is found in White County?
White County's dominant soil order is Ultisols. Ultisols are highly weathered, clay-rich soils common in humid regions. They are low in natural fertility and often require lime and fertilizer for agriculture.
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Other Counties in Arkansas
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.