Calhoun County Soil Data
Calhoun County, South Carolina
Avg pH
5.1
Texture
Loamy Sand
Drainage
N/A
Organic Matter
1.4%
Hydrologic Group
N/A
Data Story
About Soil in Calhoun County, South Carolina
Highly Acidic Soils in Calhoun
Calhoun County's soil registers a pH of 5.14, which sits well below the national median of 6.5. This measurement is also lower than the South Carolina state average of 5.27, indicating a very acidic environment. While specific taxonomic data is unavailable, the low pH suggests a history of significant mineral leaching.
A Sandy Foundation
The soil composition is 75.7% sand, leaving just 14.8% silt and 9.4% clay. This high sand content ensures easy workability but means the ground drains rapidly. Such a mix requires frequent monitoring of soil moisture and nutrient levels during the growing season.
Lower Fertility and Water Capacity
Organic matter sits at 1.42%, falling short of the state average of 2.05%. The available water capacity of 0.092 in/in is also below the state benchmark of 0.115. These factors contribute to a soil score of 9.6, indicating that consistent amendments are necessary for high yields.
Managing Water Movement
Though specific drainage class data is limited for this county, the high sand percentage typically suggests rapid water movement. Gardeners should plan for supplemental irrigation during the hot summer months. Understanding local runoff patterns is essential for any new building project or field layout.
Growing in Zone 8b
Hardiness Zone 8b provides a long growing season for heat-tolerant crops like peppers and sweet potatoes. These plants thrive in sandy soil provided they receive consistent water and organic fertilizers. Grab your tools and take advantage of the warm climate to start your garden today.
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: Loamy Sand
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Calhoun County have?
Calhoun County's soil is classified as Loamy Sand. This indicates the relative proportions of sand, silt, and clay — 76% sand, 15% silt, and 9% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Calhoun County's soil acidic or alkaline?
Calhoun County's soil has a low pH of 5.1, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
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 Loamy Sand texture, pH of 5.1, 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 Calhoun County?
The dominant USDA soil order for Calhoun County is not currently available in our dataset.
Planning your lawn? View lawn care data for Calhoun County on LawnByCounty.com →
Other Counties in South 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.