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Park County Soil Data

Park County, Wyoming

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 Park County, Wyoming

Park County's Uncharted Soils

Park County lacks specific mapped data for its taxonomic orders and pH levels. However, its soils are expected to align with the state’s alkaline average of 7.18, staying well above the national 6.5 median.

Sizing Up the Soil Texture

Specific sand and clay percentages are not recorded, though the diverse landscape ranges from rocky slopes to silty valley floors. Testing your own soil's texture is the first step toward effective garden management.

Boosting Local Growing Potential

No local fertility score is available, so gardeners should use the state average water capacity of 0.165 in/in as a comparison point. Adding organic material is the best way to improve fertility beyond the 2.0% national average.

Hydrology in the Big Horn Basin

Drainage classifications are not currently provided for Park County. Landowners should monitor their fields during the spring melt to understand how water moves across their specific property.

Garden Potential in Zone 5a

As a Zone 5a region, Park County supports a wide variety of cold-hardy vegetables and flowers. With a little bit of planning and soil prep, you can grow a stunning high-desert garden.

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

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Frequently Asked Questions

What type of soil does Park County have?

Park 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 Park County's soil acidic or alkaline?

pH data is not available for Park County.

What is the drainage class for Park County?

Drainage class data is not currently available for Park County.

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

Based on Park 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 Park County?

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

Soil & Planting Advisory: Park County

Soil Verdict

Park 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

Park County closely matches the Wyoming average hardiness conditions. The zone range of 4b-5a within the county means soil and planting decisions should account for local elevation and topography.

Other Counties in Wyoming

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.