Gaston County Soil Data
Gaston County, North Carolina
Avg pH
5.3
Texture
Loam
Drainage
N/A
Organic Matter
1.2%
Hydrologic Group
N/A
Data Story
About Soil in Gaston County, North Carolina
Gaston's characteristic red clay base
Gaston County soil has a pH of 5.28, staying consistent with the typical North Carolina average of 5.14. This is more acidic than the 6.5 national median, often requiring soil amendments for garden success.
Highest clay content in the group
With 17.7% clay and 48.0% sand, this soil has a heavier texture than many neighboring counties. This composition provides excellent nutrient retention but can be difficult to work when it is too wet or too dry.
Water retention in Gaston soil
Organic matter is low at 1.19%, trailing the national average of 2.0%. Despite this, the soil maintains an available water capacity of 0.126 in/in, helping plants survive during short dry periods.
Soil stability and water flow
While specific drainage class data is not recorded, the significant clay fraction suggests slower drainage compared to coastal areas. This profile typically offers a very stable foundation for building projects and infrastructure.
Thriving in Zone 8a
Gaston sits in hardiness zone 8a, supporting everything from blueberries to robust summer vegetables. Adding organic mulch will help break up the clay and boost your garden's productivity.
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
Frequently Asked Questions
What type of soil does Gaston County have?
Gaston County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 48% sand, 28% silt, and 18% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Gaston County's soil acidic or alkaline?
Gaston County's soil has a low pH of 5.3, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Gaston County?
Drainage class data is not currently available for Gaston County.
What crops or plants grow well in Gaston County's soil?
Based on Gaston County's Loam texture, pH of 5.3, 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 Gaston County?
The dominant USDA soil order for Gaston County is not currently available in our dataset.
Planning your lawn? View lawn care data for Gaston 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.