Grady County Soil Data
Grady County, Georgia
Avg pH
5.3
Texture
Loamy Sand
Drainage
N/A
Organic Matter
1.3%
Hydrologic Group
N/A
Data Story
About Soil in Grady County, Georgia
Acidic Sands in Grady County
The soil here maintains an average pH of 5.27, which is notably more acidic than the national median of 6.5. While taxonomic data is currently limited, the acidity matches the broader South Georgia profile. You will likely need lime to balance this soil for most traditional garden crops.
A Dominant Sandy Foundation
Grady's soil is 80.0% sand, leaving just 11.6% silt and 8.3% clay. This high sand content ensures the ground is easy to till and work by hand. However, this mix offers very little natural nutrient retention, requiring frequent fertilization.
Managing Low Water Retention
With organic matter at 1.30%, the county falls below the state average of 1.83%. The available water capacity is also low at 0.095 in/in, compared to the Georgia average of 0.114. Gardeners should focus on heavy mulching to keep moisture in the root zone.
Fast Drainage for Coastal Plains
While specific drainage class and hydrologic group data are not listed, the 80% sand content suggests very rapid water movement. This minimizes the risk of root rot but increases the need for consistent irrigation. Building soil structure is key to slowing down the water cycle here.
Warm-Season Success in Zone 9a
Grady County sits in the warm USDA Hardiness Zone 9a, allowing for long growing seasons. This soil and climate combo is ideal for pecans, blueberries, and heat-tolerant citrus. Start your garden early in the spring to take full advantage of the southern Georgia sun.
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 Grady County have?
Grady County's soil is classified as Loamy Sand. This indicates the relative proportions of sand, silt, and clay — 80% sand, 12% silt, and 8% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Grady County's soil acidic or alkaline?
Grady 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 Grady County?
Drainage class data is not currently available for Grady County.
What crops or plants grow well in Grady County's soil?
Based on Grady County's Loamy Sand 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 Grady County?
The dominant USDA soil order for Grady County is not currently available in our dataset.
Planning your lawn? View lawn care data for Grady County on LawnByCounty.com →
Other Counties in Georgia
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.