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Sublette County Soil Data

Sublette 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 Sublette County, Wyoming

Seeking Identity in Mountain Soils

Sublette County lacks specific taxonomic and pH data in our current survey. While the national median pH is 6.5, mountain soils in this region often vary significantly based on elevation and parent rock.

Mineral Mix Remains Uncharted

Data regarding the sand, silt, and clay percentages is currently unavailable for this county. Knowing your specific texture is vital for managing water in Sublette's high-altitude, semi-arid environment.

Aiming for State Fertility Standards

We have no record of organic matter or water capacity for this area compared to the Wyoming average of 5.40%. Local growers often need to supplement the soil to reach the productivity seen elsewhere in the state.

Local Observations Drive Success

Hydrologic groups and drainage classes are not documented for Sublette County. Homeowners should perform site-specific perk tests to ensure proper drainage for foundations and gardens.

Short Seasons in Zone 4b

Sublette falls into Hardiness Zone 4b, which means a very short and intense growing season. Focus on fast-maturing crops like radishes and spinach to beat the early autumn frosts.

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 Sublette County have?

Sublette 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 Sublette County's soil acidic or alkaline?

pH data is not available for Sublette County.

What is the drainage class for Sublette County?

Drainage class data is not currently available for Sublette County.

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

Based on Sublette 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 Sublette County?

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

Soil & Planting Advisory: Sublette County

Soil Verdict

Sublette County is in USDA hardiness zone 4b, a cold climate zone. where winter lows can reach -25°F. Soils here experience deep freeze cycles that can disrupt structure, kill shallow roots, and slow microbial activity for months each year.

Planting Guidance

Focus on cold-hardy perennials, native grasses, and conifers. The short growing window favors plants with low heat requirements. 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

Deep winter freezing can create soil heaving that pushes shallow-rooted plants out of the ground; add 3-4 inches of organic mulch each fall. Soil drainage is critical — frozen, waterlogged soil kills roots faster than cold alone. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Sublette County is somewhat cooler than the Wyoming statewide average. The zone range of 4a-4b 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.