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Jackson County Soil Data

Jackson County, North Carolina

USDA SSURGO / PHZM

Avg pH

4.9

Texture

Loam

Drainage

N/A

Organic Matter

18.3%

Hydrologic Group

N/A

Data Story

About Soil in Jackson County, North Carolina

Very Acidic Mountain Highlands

Jackson County features very acidic soil with a pH of 4.87, falling well below the North Carolina average of 5.14. Although taxonomic records are sparse, this sharp acidity defines the high-elevation Appalachian terrain.

Light Texture and Low Clay

The ground consists of 45.0% sand and only 11.7% clay, which is a lighter mix than many Piedmont neighbors. This low clay percentage suggests the soil is easy to turn but may struggle to hold onto heavy minerals.

Exceptional Organic Wealth

Organic matter is exceptionally high at 18.30%, dwarfing the state average of 5.12% and the national 2.0% mark. This rich carbon content offsets a slightly lower available water capacity of 0.125 in/in by improving soil structure.

Naturally Regulated Moisture

Specific drainage class data is currently limited for this mountain county. Local growers find that the high organic matter helps regulate moisture naturally, preventing the soil from drying out too quickly on sloped terrain.

Perfect for Cool-Weather Crops

Located in Zone 7a, the county is ideal for cool-weather favorites like apples, ramps, and berries. Gardeners should embrace the massive organic matter reserves to build a flourishing mountain homestead.

Soil Composition

Loam
Sand: 45.0%
Silt: 20.3%
Clay: 11.7%
Loam

Soil pH

4.9pH
4.87009775256656
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

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: Loam

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.

Acidic Soil Detected

Your county's average pH is 4.9. These products help balance soil pH for healthier grass.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Jackson County have?

Jackson County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 45% sand, 20% silt, and 12% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Jackson County's soil acidic or alkaline?

Jackson County's soil has a low pH of 4.9, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.

What is the drainage class for Jackson County?

Drainage class data is not currently available for Jackson County.

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

Based on Jackson County's Loam texture, pH of 4.9, and drainage class, 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 Jackson County?

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

Soil & Planting Advisory: Jackson County

Soil Verdict

Jackson County is in USDA hardiness zone 7a, a moderate climate zone. where winter lows can reach 0°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. Winter protection (mulch, burlap wraps) helps push the zone boundary for desired species. 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. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Jackson County is somewhat cooler than the North Carolina statewide average. The zone range of 7a-7b within the county means soil and planting decisions should account for local elevation and topography.

Other Counties in North Carolina

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.