Osage County Soil Data

Osage County, Missouri

Avg pH

6.3

Texture

Silt loam

Drainage

Well drained

Organic Matter

2.3%

Hydrologic Group

C

Data Story

About Soil in Osage County, Missouri

The Alfisols of Osage County

Osage County is dominated by Alfisols, which are naturally productive soils typically found under forest cover. With an average pH of 6.28, these soils are more neutral than the state average of 6.09 and close to the national median of 6.5. This chemical balance contributes to a respectable overall soil score of 64.9.

Dominant Silt Loam Texture

The county features a classic silt loam texture, driven by a high silt content of 65.0%. Sand makes up 15.5% and clay accounts for 19.0%, creating a mix that offers excellent workability and moderate nutrient storage. This texture is highly prized by farmers for its ability to produce a fine seedbed.

Excellent Water Storage Capacity

Osage County boasts an available water capacity of 0.192 in/in, outperforming the Missouri state average of 0.183 in/in. While the organic matter is relatively low at 2.28% compared to the state’s 4.74%, the soil’s ability to hold water provides a safety net during dry spells. Improving organic matter through composting could significantly boost its already high growing potential.

Reliable Well-Drained Landscapes

The land is categorized as well-drained, which is ideal for preventing the root rot and aeration issues common in wetter regions. It belongs to hydrologic group C, indicating that while it drains well, it has a slower rate of water transmission when fully saturated. This makes the county generally suitable for most agricultural and construction activities.

Gardening Success in Zone 6b

In USDA Hardiness Zone 6b, Osage County is perfect for a wide variety of vegetables, fruit trees, and ornamental shrubs. The silt loam texture and neutral pH mean you can plant almost anything with minimal soil correction. Whether you are a hobbyist or a professional, these Alfisols provide a dependable foundation for growth.

Soil Composition

Silt loam
Sand: 15.5%
Silt: 65.0%
Clay: 19.0%
Silt loam

Soil pH

6.3pH
6.28168378697569
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 C — Moderate-High Runoff

Soils with slow infiltration rates, often with a layer that impedes downward water movement. Higher clay content restricts drainage.

Runoff potential:Moderate-High

Drainage Class

Well drained

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

Soil Profile

Dominant texture: Silt 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 Osage County have?

Osage County's soil is classified as Silt loam. This indicates the relative proportions of sand, silt, and clay — 16% sand, 65% silt, and 19% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Osage County's soil acidic or alkaline?

Osage County's soil has a pH of 6.3, which is moderately acidic. This range suits many crops and is common across much of the eastern US.

What is the drainage class for Osage County?

Osage 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 Osage County's soil?

Based on Osage County's Silt loam texture, pH of 6.3, and Well drained, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens, most annual and perennial crops.

What USDA soil order is found in Osage County?

Osage County's dominant soil order is Alfisols. Alfisols are moderate to high base-status soils with a clay-enriched subsoil. They support productive forests and cropland across temperate regions.

Other Counties in Missouri

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.