Blaine County Soil Data
Blaine County, Oklahoma
USDA SSURGO / PHZMAvg pH
6.5
Texture
Water
Drainage
N/A
Organic Matter
1.4%
Hydrologic Group
D
Data Story
About Soil in Blaine County, Oklahoma
Perfectly Balanced pH in Blaine
Blaine County soil is almost perfectly balanced with a pH of 6.46, very close to the national 6.5 median. This is slightly more alkaline than the state average of 6.06, making it highly adaptable.
Strong Physical Soil Structure
The soil contains 45.9% sand, 30.8% silt, and 17.0% clay. This blend offers good physical structure, providing enough clay for nutrient retention while the sand ensures easy plowing.
Competitive State-Level Fertility
Organic matter sits at 1.42%, trailing the Oklahoma state average of 1.72%. However, the water capacity of 0.141 in/in is quite competitive, nearly matching the state benchmark of 0.144 in/in.
Managing High Runoff Risks
Belonging to Hydrologic Group D, the soil exhibits high runoff potential during heavy rains. Local growers should manage the land to prevent erosion, as specific drainage class data is currently limited.
Diverse Gardens in Zone 7b
Zone 7b supports a variety of garden staples from tomatoes to legumes. The soil's balanced pH and decent water capacity make it a great place to start a backyard vegetable plot.
Soil Composition
Soil pH
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.
Drainage Class
Drainage class data not available.
Soil Profile
Dominant texture: Water
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Blaine County have?
Blaine County's soil is classified as Water. This indicates the relative proportions of sand, silt, and clay — 46% sand, 31% silt, and 17% clay. Sandy soils drain quickly but may need more frequent irrigation and fertilization.
Is Blaine County's soil acidic or alkaline?
Blaine County's soil has a pH of 6.5, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Blaine County?
Drainage class data is not currently available for Blaine County.
What crops or plants grow well in Blaine County's soil?
Based on Blaine County's Water texture, pH of 6.5, and drainage class, the soil is well suited for vegetables, grains, and most field crops.
What USDA soil order is found in Blaine County?
The dominant USDA soil order for Blaine County is not currently available in our dataset.
Soil & Planting Advisory: Blaine County
Soil Verdict
Blaine County is in USDA hardiness zone 7b, a moderate climate zone. where winter lows can reach 5°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
Blaine County closely matches the Oklahoma average hardiness conditions. The zone range of 7a-7b within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Blaine 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.