soilbycounty

Issaquena County Soil Data

Issaquena County, Mississippi

USDA SSURGO / PHZM

Avg pH

6.5

Texture

Clay Loam

Drainage

N/A

Organic Matter

1.5%

Hydrologic Group

N/A

Data Story

About Soil in Issaquena County, Mississippi

Issaquena's Rare Neutral Soil Profile

Issaquena County stands out with an average pH of 6.52, almost exactly matching the national median of 6.5. This is significantly higher and more neutral than the Mississippi average of 5.30. This unique chemistry makes it one of the most balanced soil profiles in the state.

A Substantial Clay and Silt Mix

The soil composition is a robust blend of 31.0% clay and 39.4% silt, balanced by 27.3% sand. This mix provides excellent nutrient-holding capacity thanks to the clay, while the sand helps with structural stability. It is a heavy but fertile soil profile.

Standard Fertility and Reliable Capacity

The organic matter content sits at 1.50%, which is lower than the state average of 1.81%. The available water capacity of 0.173 in/in perfectly aligns with the state average of 0.174. This indicates a reliable, predictable environment for crop production and moisture management.

Unique Hydrology of the Delta

Specific drainage class data is not available for this county in our current set. However, the high clay content (31.0%) generally points toward slower drainage and higher runoff potential during storms. Understanding local water tables is crucial for any new building projects.

Neutral Soils Ready for Zone 8b

In hardiness zone 8b, the near-perfect pH of 6.52 allows for a massive range of plants without much adjustment. From diverse vegetable gardens to fruit trees, this soil is exceptionally welcoming to new growth. It is a fantastic place to start a backyard orchard or vegetable plot.

Soil Composition

Clay Loam
Sand: 27.3%
Silt: 39.4%
Clay: 31.0%
Clay Loam

Soil pH

6.5pH
6.51987845470115
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

Hydrologic group data not available.

Drainage Class

Drainage class data not available.

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.

Clay Soil Detected

Clay soils can struggle with drainage. These products improve soil structure and water flow.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Issaquena County have?

Issaquena County's soil is classified as Clay Loam. This indicates the relative proportions of sand, silt, and clay — 27% sand, 39% silt, and 31% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Issaquena County's soil acidic or alkaline?

Issaquena County's soil has a pH of 6.5, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Issaquena County?

Drainage class data is not currently available for Issaquena County.

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

Based on Issaquena County's Clay Loam texture, pH of 6.5, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.

What USDA soil order is found in Issaquena County?

The dominant USDA soil order for Issaquena County is not currently available in our dataset.

Soil & Planting Advisory: Issaquena County

Soil Verdict

Issaquena County is in USDA hardiness zone 8b, a warm climate zone. where winter lows can reach 15°F. Mild winters mean soil rarely freezes deeply, allowing year-round microbial activity and faster organic matter breakdown.

Planting Guidance

Warm-season crops, citrus relatives, and heat-loving ornamentals do well. Cool-season vegetables should be planted in fall and winter. Always match plant selections to the specific microclimate of your property — low spots, slopes, and wind exposure can shift effective hardiness by half a zone.

Soil Implications

Warm soils accelerate organic matter breakdown, so compost and mulch need replenishing more frequently than in cooler zones. Sandy soils common in warm zones drain quickly; water-retentive amendments like compost or peat help hold moisture.

Regional Context

Issaquena County closely matches the Mississippi average hardiness conditions.

Other Counties in Mississippi

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.