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Oglala Lakota County Soil Data

Oglala Lakota County, South Dakota

USDA SSURGO / PHZM

Avg pH

N/A

Texture

Unknown

Drainage

N/A

Organic Matter

N/A

Hydrologic Group

N/A

Data Story

About Soil in Oglala Lakota County, South Dakota

Exploring the Lands of Oglala Lakota

Comprehensive digital soil survey data for taxonomic order and pH levels is currently limited for this county. Local geography suggests a varied landscape where conditions can shift rapidly from ridge to valley. Residents typically find soils that reflect the rugged beauty of the southwestern plains.

Awaiting Detailed Composition Data

Specific percentages for sand, silt, and clay are not currently documented in the primary dataset. While these metrics are missing, the regional character often features a mix of prairie loams and clay-heavy pockets. Understanding local texture requires on-site testing to determine drainage and workability.

Fertility Trends in the Southwest

Data for organic matter and water capacity is not currently available for this area. Despite the data gap, the surrounding region typically relies on hardy native grasses to build soil health over time. Growers should focus on local observations to gauge the potential of their specific acreage.

Hydraulic Characteristics of the Plains

The dominant drainage class and hydrologic groups remain unclassified in the current digital record. In this semi-arid climate, managing the water you do have is the most critical step for any land manager. Observing how the land reacts after a rare heavy rain is the best way to understand local hydrology.

Growing Wild in Zone 5a

Oglala Lakota County sits in Hardiness Zone 5a, supporting a variety of hardy prairie plants and cold-tolerant vegetables. Successful gardening here often involves windbreaks and water conservation techniques. Start a garden with native species that are already adapted to the local environment and climate.

Soil Composition

Composition data not available for this county.

Soil pH

pH data not available for this county.

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: Unknown

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.

Soil Amendment Products

Browse products to improve your soil health and lawn performance.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Oglala Lakota County have?

Oglala Lakota County's soil is classified as Unknown. This indicates the relative proportions of sand, silt, and clay — sand percentage unavailable, silt percentage unavailable, and clay percentage unavailable. Sandy soils drain quickly but may need more frequent irrigation and fertilization.

Is Oglala Lakota County's soil acidic or alkaline?

pH data is not available for Oglala Lakota County.

What is the drainage class for Oglala Lakota County?

Drainage class data is not currently available for Oglala Lakota County.

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

Based on Oglala Lakota County's Unknown texture, soil pH, and drainage class, the soil is well suited for a variety of crops depending on local conditions.

What USDA soil order is found in Oglala Lakota County?

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

Soil & Planting Advisory: Oglala Lakota County

Soil Verdict

Oglala Lakota County is in USDA hardiness zone 5a, a cold climate zone. where winter lows can reach -20°F. Freeze-thaw cycles are moderate; soil biology slows in winter but recovers reliably in spring, supporting a broad range of plants.

Planting Guidance

A wide plant palette is possible: deciduous trees, most shrubs, cool-season vegetables, and many perennials thrive here. With extreme winter lows, any marginally hardy plants need heavy mulch and wind 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

Moderate freeze-thaw cycles naturally aerate the soil but can also cause compaction in clay-heavy areas; annual core aeration is beneficial. Organic matter amendments decompose at a moderate pace — aim for 3-5% organic content for optimal fertility. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Oglala Lakota County is somewhat warmer than the South Dakota statewide average.

Other Counties in South Dakota

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.