Craig County Soil Data
Craig County, Oklahoma
Avg pH
5.8
Texture
Loam
Drainage
N/A
Organic Matter
4.3%
Hydrologic Group
N/A
Data Story
About Soil in Craig County, Oklahoma
Acidic and Forest-Ready Soils
Craig County soils are notably acidic with a pH of 5.78, significantly lower than the national median of 6.5. This measurement also falls below the Oklahoma state average of 6.06, favoring acid-loving crops and native shrubs.
Silt-Heavy Composition Drives Texture
Silt dominates the profile at 49.3%, paired with 21.3% sand and 22.4% clay. This silty mix provides excellent nutrient retention, though it can be prone to compaction if worked while the ground is wet.
Exceptional Organic Matter Levels
The county boasts an impressive 4.30% organic matter, more than double the national average of 2.0%. Combined with a high available water capacity of 0.173 in/in, this soil is exceptionally fertile compared to most of the state.
High Moisture Retention for Crops
While specific drainage class data is unavailable for this area, the high silt content typically suggests strong moisture retention. These soils generally hold water effectively, though they require monitoring to ensure proper aeration.
Productive Gardening in Zone 7a
Hardiness Zone 7a supports a wide variety of both cool-season and warm-season crops. Thanks to a high soil score of 57.8, Craig County is one of the most naturally productive regions in Oklahoma for home growers.
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: Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Craig County have?
Craig County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 21% sand, 49% silt, and 22% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Craig County's soil acidic or alkaline?
Craig 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 Craig County?
Drainage class data is not currently available for Craig County.
What crops or plants grow well in Craig County's soil?
Based on Craig County'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 Craig County?
The dominant USDA soil order for Craig County is not currently available in our dataset.
Planning your lawn? View lawn care data for Craig County on LawnByCounty.com →
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.