Calhoun County Soil Data
Calhoun County, Alabama
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Calhoun County, Alabama
High Acidity in the Foothills
Calhoun County's average pH likely tracks with the state average of 5.21, much lower than the national 6.5 median. This acidity often requires supplemental lime to make nutrients available for traditional turf and gardens.
A Complex Texture Profile
While specific sand and clay percentages are unavailable, Calhoun's Appalachian valley location provides a complex mix of soil types. These soils often offer good structure but can be prone to compaction in high-traffic areas.
Nurturing Valley Soil Health
Alabama's 1.74% average organic matter is slightly below the 2.0% national average, suggesting a need for soil amendments. Improved organic content will enhance the state's typical water capacity of 0.138 in/in.
Managing Foothill Hydrology
Specific drainage classes for Calhoun are not listed, making local observation of runoff patterns vital. Proper drainage planning is particularly important for construction in the county's varied valley terrain.
Hardy Growth in Zone 8a
Calhoun County sits in Zone 8a, supporting a wide range of vegetables and hardy perennials. The moderate climate is excellent for starting a home garden with staples like corn and beans.
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
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Calhoun County have?
Calhoun 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 Calhoun County's soil acidic or alkaline?
pH data is not available for Calhoun County.
What is the drainage class for Calhoun County?
Drainage class data is not currently available for Calhoun County.
What crops or plants grow well in Calhoun County's soil?
Based on Calhoun 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 Calhoun County?
The dominant USDA soil order for Calhoun County is not currently available in our dataset.
Soil & Planting Advisory: Calhoun County
Soil Verdict
Calhoun 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
Calhoun County closely matches the Alabama average hardiness conditions.
Planning your lawn? View lawn care data for Calhoun County on LawnByCounty.com →
Other Counties in Alabama
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.