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Macon County Soil Data

Macon County, North Carolina

USDA SSURGO / PHZM

Avg pH

4.9

Texture

Loam

Drainage

N/A

Organic Matter

11.6%

Hydrologic Group

N/A

Data Story

About Soil in Macon County, North Carolina

Rich, Acidic Mountain Earth

Macon County has an acidic soil pH of 4.94, which is lower than the state average of 5.14. This profile reflects the unique environmental pressures and mineral leaching typical of the Appalachian Highlands.

Balanced Sandy-Silt Composition

The soil composition is an even 50.0% sand, with silt at 25.2% and clay at 13.8%. This balanced mix offers excellent physical properties for both drainage and healthy plant root development.

Elite Levels of Organic Matter

Organic matter is a standout feature at 11.59%, more than double the state average of 5.12%. The available water capacity of 0.135 in/in is also slightly above the state norm, indicating excellent moisture retention.

Excellent Spongelike Water Management

Specific drainage class records are currently missing from the dataset. However, the 11.59% organic content suggests the soil manages water very effectively, acting like a sponge for heavy mountain rainfall.

High-Yield Potential in Zone 7a

Zone 7a is a paradise for cool-climate crops such as kale, potatoes, and berries. With such high natural organic matter, Macon County gardeners have a significant head start on building fertile, productive plots.

Soil Composition

Loam
Sand: 50.0%
Silt: 25.2%
Clay: 13.8%
Loam

Soil pH

4.9pH
4.9430751279293
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 Macon County have?

Macon County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 50% sand, 25% silt, and 14% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Macon County's soil acidic or alkaline?

Macon 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 Macon County?

Drainage class data is not currently available for Macon County.

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

Based on Macon 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 Macon County?

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

Soil & Planting Advisory: Macon County

Soil Verdict

Macon 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

Macon 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.