soilbycounty

Natchitoches Parish Soil Data

Natchitoches Parish, Louisiana

USDA SSURGO / PHZM

Avg pH

5.8

Texture

Loam

Drainage

N/A

Organic Matter

1.8%

Hydrologic Group

D

Data Story

About Soil in Natchitoches Parish, Louisiana

A Typical Louisiana Acidic Profile

Natchitoches Parish maintains an average soil pH of 5.79, almost exactly matching the Louisiana state average. This level is notably more acidic than the national median of 6.5, often requiring lime for optimal crop yields.

Sandy Texture with Fast Drainage

The soil composition is 44.5% sand, which is quite high for the region, balanced by 33.0% silt and 22.4% clay. This sand-heavy mix allows for easier tilling and faster drainage than the heavier clays found eastward.

Lower Organic Reserves

At 1.76%, organic matter is lower than the national 2.0% average and well below the state average of 6.38%. The available water capacity of 0.156 in/in suggests the soil may dry out faster than the state average of 0.182 in/in.

High Runoff Potential

Classified in hydrologic group D, these soils have a very high runoff potential when thoroughly wet. This suggests that despite the sandy texture, deep drainage is restricted, which is a critical consideration for site planning.

Planting in Zone 9a

The long growing season in Zone 9a is perfect for heat-tolerant varieties of peppers and tomatoes. Gardeners should prioritize adding compost to boost the relatively low organic matter levels.

Soil Composition

Loam
Sand: 44.5%
Silt: 33.0%
Clay: 22.4%
Loam

Soil pH

5.8pH
5.79323254984022
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 D — High Runoff

Clay soils with very slow infiltration rates. Highest runoff potential. These soils have a permanent high water table or are shallow over impervious material.

Runoff potential:High

Drainage Class

Drainage class data not available.

Soil Profile

Dominant texture: 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.

Acidic Soil Detected

Your county's average pH is 5.8. These products help balance soil pH for healthier grass.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Natchitoches Parish have?

Natchitoches Parish's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 45% sand, 33% silt, and 22% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Natchitoches Parish's soil acidic or alkaline?

Natchitoches Parish'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 Natchitoches Parish?

Drainage class data is not currently available for Natchitoches Parish.

What crops or plants grow well in Natchitoches Parish's soil?

Based on Natchitoches Parish's 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 Natchitoches Parish?

The dominant USDA soil order for Natchitoches Parish is not currently available in our dataset.

Soil & Planting Advisory: Natchitoches Parish

Soil Verdict

Natchitoches Parish is in USDA hardiness zone 9a, a warm climate zone. where winter lows can reach 20°F. Warm winters keep soil biology active nearly year-round, accelerating decomposition but increasing pest and disease pressure in topsoil.

Planting Guidance

Tropical and subtropical plants are viable. Year-round gardening is possible, though summer heat may limit some cool-season crops. Frost is rare; tender plants can overwinter with minimal protection. 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

Rapid organic matter turnover means soils can become nutrient-poor quickly; test annually and fertilize based on results. High soil temperatures favor certain soilborne pathogens; practice crop rotation and avoid overwatering.

Regional Context

Natchitoches Parish closely matches the Louisiana average hardiness conditions. The zone range of 8b-9a within the county means soil and planting decisions should account for local elevation and topography.

Other Counties in Louisiana

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.