Yancey County Soil Data
Yancey County, North Carolina
USDA SSURGO / PHZMAvg pH
4.9
Texture
Loam
Drainage
N/A
Organic Matter
10.2%
Hydrologic Group
N/A
Data Story
About Soil in Yancey County, North Carolina
Acidic high-elevation mountain soils
Soil in Yancey County is quite acidic with a pH of 4.95, which is typical for high-altitude environments. This falls below the state average of 5.14 and the national median of 6.5. This acidity is a defining trait of the county's lush, rugged terrain.
A balanced mix of mountain minerals
The soil composition includes 49.4% sand, 27.2% silt, and 15.9% clay. This relatively even split allows for a versatile growing environment that supports heavy forest growth. It provides a stable structure that resists erosion better than purely sandy soils.
Superior organic matter and water capacity
Yancey County boasts a massive 10.19% organic matter content, doubling the state average of 5.12%. It also leads the region in available water capacity at 0.145 in/in. These numbers indicate a highly fertile, sponge-like soil that is exceptionally productive.
Moisture-rich profile for forest health
While specific drainage classes are not listed, the high organic matter and silt content suggest excellent moisture management. The soil likely acts as a natural reservoir for mountain springs and local vegetation. This hydrology supports the county's vibrant, high-elevation ecosystems.
Cool-weather favorites in zone 7a
Hardiness zone 7a is perfect for cool-season crops like kale, potatoes, and various root vegetables. The incredibly rich organic matter gives you a significant advantage in any gardening project. Start your mountain garden today to see how much these fertile soils can produce.
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
Drainage class data not available.
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 4.9. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Yancey County have?
Yancey County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 49% sand, 27% silt, and 16% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Yancey County's soil acidic or alkaline?
Yancey 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 Yancey County?
Drainage class data is not currently available for Yancey County.
What crops or plants grow well in Yancey County's soil?
Based on Yancey 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 Yancey County?
The dominant USDA soil order for Yancey County is not currently available in our dataset.
Soil & Planting Advisory: Yancey County
Soil Verdict
Yancey 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
Yancey County is somewhat cooler than the North Carolina statewide average.
Planning your lawn? View lawn care data for Yancey County on LawnByCounty.com →
Other Counties in North Carolina
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.