Warren County Soil Data
Warren County, Mississippi
USDA SSURGO / PHZMAvg pH
5.8
Texture
Silt Loam
Drainage
N/A
Organic Matter
1.4%
Hydrologic Group
N/A
Data Story
About Soil in Warren County, Mississippi
Rich Loess-Influence in Warren County
Warren County boasts an average soil pH of 5.82, which is significantly higher and healthier than the state average of 5.30. This makes the local soil less acidic and more favorable for a wider variety of plants without needing heavy lime applications.
High Silt Content Dominates
The soil is remarkably silt-heavy at 62.2%, with a relatively low 16% sand content. This silty profile, typical of the bluffs along the Mississippi River, creates a fertile and smooth-textured soil that is highly productive for agriculture.
Exceptional Water Retention Abilities
Warren County features a high available water capacity of 0.202 in/in, far surpassing the state average of 0.174. Even though organic matter is slightly low at 1.45%, the soil's ability to store water provides a massive buffer against drought.
Silts and Water Movement
While official drainage classes are unavailable, the high silt and 21.8% clay mix suggest a soil that holds water tightly. Proper grading is essential in this county to prevent the silty surface from eroding or becoming waterlogged during heavy rains.
Abundant Harvests in Zone 8b
The 8b hardiness zone and superior water capacity make this an excellent location for fruit trees and intensive vegetable gardening. Whether you are planting pecans or a backyard garden, these fertile river-influence soils give you a head start.
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: Silt Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Acidic Soil Detected
Your county's average pH is 5.8. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Warren County have?
Warren County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 16% sand, 62% silt, and 22% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Warren County's soil acidic or alkaline?
Warren County's soil has a pH of 5.8, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Warren County?
Drainage class data is not currently available for Warren County.
What crops or plants grow well in Warren County's soil?
Based on Warren County's Silt Loam texture, pH of 5.8, 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 Warren County?
The dominant USDA soil order for Warren County is not currently available in our dataset.
Soil & Planting Advisory: Warren County
Soil Verdict
Warren 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
Warren County closely matches the Mississippi average hardiness conditions.
Planning your lawn? View lawn care data for Warren County on LawnByCounty.com →
Other Counties in Mississippi
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.