Independence County Soil Data
Independence County, Arkansas
USDA SSURGO / PHZMAvg pH
5.4
Texture
Loam
Drainage
Subaqueous
Organic Matter
6.9%
Hydrologic Group
N/A
Data Story
About Soil in Independence County, Arkansas
High-Organic Acidic Soils in Independence
Independence County soil has a pH of 5.43, which is more acidic than both the state average and the national median of 6.5. Despite the acidity, the soil score of 45.9 is quite high for the region. This indicates a landscape with high natural productivity and resilience.
Silty Loam Texture Prevails
A balanced composition of 35.4% sand, 42.3% silt, and 15.1% clay creates a versatile silty loam. This texture is prized by farmers for its ability to hold nutrients while still allowing for decent drainage. It offers a smooth workability that is ideal for diverse farming.
Superior Organic Matter Levels
At 6.88%, the organic matter in Independence County is well above the state average of 4.15%. While the available water capacity of 0.139 in/in is slightly below the state average, the high organic content provides excellent natural fertility. Plants here benefit from a rich biological foundation.
Subaqueous Drainage and Wet Landscapes
The dominant drainage class is listed as subaqueous, indicating many soils are frequently underwater or saturated. This hydrology makes the county unique, requiring specialized management for farming and building. Drainage infrastructure is often a key consideration for local land use.
Diverse Potential in Zone 7b
The 7b climate is perfect for a mix of cool-season and warm-season crops. The high organic matter makes this an ideal spot for intensive vegetable gardening or heavy-feeding perennials. Use raised beds to manage the wet subaqueous conditions and watch your garden flourish.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Hydrologic group data not available.
Drainage Class
Subaqueous
Drainage class: Subaqueous
Soil Profile
Dominant texture: Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Acidic Soil Detected
Your county's average pH is 5.4. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Independence County have?
Independence County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 35% sand, 42% silt, and 15% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Independence County's soil acidic or alkaline?
Independence 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 Independence County?
Independence County has a dominant drainage class of "Subaqueous." Moderate drainage allows adequate moisture retention while still permitting excess water to drain over time.
What crops or plants grow well in Independence County's soil?
Based on Independence County's Loam texture, pH of 5.4, and Subaqueous, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens.
What USDA soil order is found in Independence County?
The dominant USDA soil order for Independence County is not currently available in our dataset.
Soil & Planting Advisory: Independence County
Soil Verdict
Independence County is in USDA hardiness zone 7b, a moderate climate zone. where winter lows can reach 5°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
Independence County is somewhat cooler than the Arkansas statewide average. The zone range of 7b-8a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Independence County on LawnByCounty.com →
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.