Greer County Soil Data

Greer County, Oklahoma

Avg pH

6.9

Texture

Water

Drainage

N/A

Organic Matter

1.2%

Hydrologic Group

D

Data Story

About Soil in Greer County, Oklahoma

Alkaline Tendencies in Greer County

Greer County soils lean alkaline with an average pH of 6.86, notably higher than the state average of 6.06. This places the county above the national median pH of 6.5, which can influence how plants take up specific nutrients. The overall soil score of 31.9 reflects a more challenging environment than the state average of 35.3.

A Gritty, Clay-Rich Texture

The soil contains 42.9% sand and 19.6% clay, providing a texture that is both gritty and capable of firming up when wet. Silt makes up 30.0% of the profile, rounding out a composition that can be tough to work when dry. This mix requires careful timing for tilling to avoid creating hard clods.

Modest Organic Matter and Water Storage

Organic matter is relatively low at 1.24%, well below the national average of 2.0%. The available water capacity of 0.132 in/in also trails the state average of 0.144 in/in. These factors mean the soil dries out faster and may require more frequent fertilization or mulching to support healthy growth.

Slow Drainage and High Surface Runoff

As a member of Hydrologic Group D, Greer County soil has a very slow infiltration rate. Rainfall often stays on the surface, creating a risk of erosion on sloped land. Farmers and gardeners should implement contouring or rain gardens to capture water before it leaves the site.

Resilient Growing in Zone 7b

The 7b climate supports drought-tolerant species and native grasses that handle the alkaline pH well. Successful gardeners often focus on Mediterranean herbs or native wildflowers that thrive in leaner, higher-pH soils. Adding organic compost can help bridge the fertility gap for more demanding vegetables.

Soil Composition

Water
Sand: 42.9%
Silt: 30.0%
Clay: 19.6%
Water

Soil pH

6.9pH
6.85944133484597
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: Water

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 Greer County have?

Greer County's soil is classified as Water. This indicates the relative proportions of sand, silt, and clay — 43% sand, 30% silt, and 20% clay. Sandy soils drain quickly but may need more frequent irrigation and fertilization.

Is Greer County's soil acidic or alkaline?

Greer County's soil has a pH of 6.9, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Greer County?

Drainage class data is not currently available for Greer County.

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

Based on Greer County's Water texture, pH of 6.9, and drainage class, the soil is well suited for vegetables, grains, and most field crops.

What USDA soil order is found in Greer County?

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

Other Counties in Oklahoma

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.