Shelby County Soil Data
Shelby County, Alabama
Avg pH
5.2
Texture
Loam
Drainage
N/A
Organic Matter
1.5%
Hydrologic Group
N/A
Data Story
About Soil in Shelby County, Alabama
Shelby's acidic profile typical of Alabama
Shelby County features an acidic soil profile with a pH of 5.16, falling just below the Alabama state average of 5.21. This measurement is significantly more acidic than the national median of 6.5.
Silt-heavy mix provides smooth workability
The soil is a balanced mix of 45.0% silt, 35.6% sand, and 19.4% clay. This high silt percentage provides smoother workability and better nutrient storage than sandier neighboring counties.
Excellent water capacity offsets low organic matter
The county records 1.45% organic matter, which is lower than the statewide average of 1.74%. However, an available water capacity of 0.160 in/in exceeds the state average of 0.138, providing a sturdy moisture buffer for crops.
Moderate clay levels help retain vital moisture
Formal drainage classifications are limited, but the 19.4% clay content suggests moderate permeability. This composition helps retain moisture while still allowing for adequate root aeration in most agricultural settings.
Acid-loving plants thrive in Shelby gardens
Located in Hardiness Zone 8b, the county is perfect for growing blueberries and azaleas that love acidic conditions. Gardeners should monitor pH levels regularly and add lime to balance the acidity for sensitive vegetables.
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 Shelby County have?
Shelby County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 36% sand, 45% silt, and 19% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Shelby County's soil acidic or alkaline?
Shelby County's soil has a low pH of 5.2, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Shelby County?
Drainage class data is not currently available for Shelby County.
What crops or plants grow well in Shelby County's soil?
Based on Shelby County's Loam texture, pH of 5.2, 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 Shelby County?
The dominant USDA soil order for Shelby County is not currently available in our dataset.
Planning your lawn? View lawn care data for Shelby County on LawnByCounty.com →
Other Counties in Alabama
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.