Hart County Soil Data

Hart County, Georgia

Avg pH

5.4

Texture

Clay loam

Drainage

Well drained

Organic Matter

1.4%

Hydrologic Group

B

Data Story

About Soil in Hart County, Georgia

Acidic Ultisols Define Hart County's Terrain

Hart County is dominated by Ultisols with a clay loam texture and an average pH of 5.37. This soil is more acidic than the national median of 6.5 but sits slightly above the Georgia state average of 5.26. Most gardeners will find that adding lime helps balance these naturally acidic conditions.

Balanced Texture for Reliable Workability

The soil composition features 58.8% sand, 22.3% silt, and 17.0% clay. This mixture provides a stable structure that avoids the extreme heaviness of pure clay while maintaining enough body to hold essential nutrients. It is a versatile foundation for both large-scale farming and backyard gardening.

High Water Retention Despite Lower Organic Matter

Organic matter stands at 1.37%, which is below the state average of 1.83% and the national average of 2.0%. However, the soil excels in available water capacity at 0.128 in/in, outperforming the Georgia average of 0.114 in/in. This high capacity helps local crops remain resilient during typical Southern dry spells.

Well-Drained Land Supports Diverse Uses

The land is classified as well drained and falls into hydrologic group B. These characteristics indicate moderate infiltration rates, which are ideal for preventing standing water after heavy rains. This makes the terrain favorable for residential construction and diverse agricultural operations.

Thriving in the Heart of Zone 8b

Situated in hardiness zone 8b, Hart County is perfect for heat-loving crops like peppers, tomatoes, and squash. While the natural organic matter is low, the soil structure is excellent for building a productive garden. Adding compost will quickly transform this land into a high-yielding oasis.

Soil Composition

Clay loam
Sand: 58.8%
Silt: 22.3%
Clay: 17.0%
Clay loam

Soil pH

5.4pH
5.36727275144507
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

Soil Series

Detailed soil series data not yet available for this county.

Hydrologic Group

Group B — Moderate Runoff

Moderately deep, moderately well-drained soils with moderate infiltration rates. Good balance of drainage and water retention.

Runoff potential:Moderate

Drainage Class

Well drained

Water is removed from the soil readily but not rapidly. Optimal for most plants and construction.

Soil Profile

Dominant texture: Clay loam

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Frequently Asked Questions

What type of soil does Hart County have?

Hart County's soil is classified as Clay loam. This indicates the relative proportions of sand, silt, and clay — 59% sand, 22% silt, and 17% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Hart County's soil acidic or alkaline?

Hart County's soil has a low pH of 5.4, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.

What is the drainage class for Hart County?

Hart County has a dominant drainage class of "Well drained." Well-drained soils allow excess water to move through quickly, reducing waterlogging risk and supporting most field and garden crops.

What crops or plants grow well in Hart County's soil?

Based on Hart County's Clay loam texture, pH of 5.4, and Well drained, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens, most annual and perennial crops.

What USDA soil order is found in Hart County?

Hart County's dominant soil order is Ultisols. Ultisols are highly weathered, clay-rich soils common in humid regions. They are low in natural fertility and often require lime and fertilizer for agriculture.

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.