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Dallas County Soil Data

Dallas County, Arkansas

USDA SSURGO / PHZM

Avg pH

N/A

Texture

Unknown

Drainage

N/A

Organic Matter

N/A

Hydrologic Group

N/A

Data Story

About Soil in Dallas County, Arkansas

Limited data for Dallas County soils

Specific soil identity and pH metrics are currently unavailable for Dallas County in the primary dataset. While many Arkansas counties average a pH of 5.56, local testing is recommended to determine the exact acidity. Understanding your specific site is the first step to successful land management.

Awaiting detailed composition analysis

Data regarding the sand, silt, and clay percentages is not currently reported for this area. This often occurs in regions where land use is shifting or comprehensive surveys are pending. Neighbors may find a mix of coastal plain sands and alluvial silts depending on their proximity to local rivers.

Potential for local soil health

Fertility metrics like organic matter and water capacity remain undocumented in this dataset. For reference, the state average for organic matter is 4.15%, a high bar set by rich delta soils. Local growers are encouraged to use soil testing services to establish a baseline for their property.

Navigating drainage without data

Hydrologic and drainage class information is currently missing for Dallas County. Because drainage can vary wildly between bottomlands and ridges, site-specific observation is vital. Look for signs of standing water or rapid drying to understand how your specific plot handles rain.

Warm winters in zone 8a

Dallas County is located in hardiness zone 8a, characterized by mild winters and hot summers. This climate supports a vast array of perennials, fruit trees, and heat-loving annuals. Despite the lack of county-wide data, the local climate is perfect for starting a lush backyard garden.

Soil Composition

Composition data not available for this county.

Soil pH

pH data not available for this county.

Soil Series

Detailed soil series data not yet available for this county.

Hydrologic Group

Hydrologic group data not available.

Drainage Class

Drainage class data not available.

Soil Profile

Dominant texture: Unknown

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Soil Amendment Products

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Frequently Asked Questions

What type of soil does Dallas County have?

Dallas County's soil is classified as Unknown. This indicates the relative proportions of sand, silt, and clay — sand percentage unavailable, silt percentage unavailable, and clay percentage unavailable. Sandy soils drain quickly but may need more frequent irrigation and fertilization.

Is Dallas County's soil acidic or alkaline?

pH data is not available for Dallas County.

What is the drainage class for Dallas County?

Drainage class data is not currently available for Dallas County.

What crops or plants grow well in Dallas County's soil?

Based on Dallas County's Unknown texture, soil pH, and drainage class, the soil is well suited for a variety of crops depending on local conditions.

What USDA soil order is found in Dallas County?

The dominant USDA soil order for Dallas County is not currently available in our dataset.

Soil & Planting Advisory: Dallas County

Soil Verdict

Dallas County is in USDA hardiness zone 8a, a warm climate zone. where winter lows can reach 10°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

Dallas County closely matches the Arkansas average hardiness conditions.

Other Counties in Arkansas

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.