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Weston County Soil Data

Weston County, Wyoming

USDA SSURGO / PHZM

Avg pH

6.7

Texture

Loam

Drainage

N/A

Organic Matter

11.9%

Hydrologic Group

N/A

Data Story

About Soil in Weston County, Wyoming

Weston's Near-Neutral Soil Profile

Weston County features an impressively balanced pH of 6.68, very close to the national median of 6.5. This makes it significantly more neutral than the typical Wyoming soil average of 7.18.

Ideal Mineral Mix for Structure

The soil contains 35.0% sand and 18.9% clay, creating a stable and productive texture. This ratio provides enough clay for nutrient retention while ensuring the sand prevents compaction.

State-Leading Organic Matter Levels

Weston boasts a massive 11.87% organic matter, more than double the Wyoming average of 5.40%. Its water capacity of 0.201 in/in also beats the state average, signaling elite growing potential.

Superior Moisture Management

While specific drainage classes aren't recorded, the high organic matter suggests excellent water retention and drainage. These soils are naturally designed to sustain plants through dry spells.

Start Your Dream Garden

Even in the 4b hardiness zone, this rich soil is a gardener’s dream. You have the best natural soil base in the region, so start planting your hardy vegetables today!

Soil Composition

Loam
Sand: 35.0%
Silt: 32.8%
Clay: 18.9%
Loam

Soil pH

6.7pH
6.67698403907762
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

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

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 Weston County have?

Weston County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 35% sand, 33% silt, and 19% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Weston County's soil acidic or alkaline?

Weston County's soil has a pH of 6.7, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Weston County?

Drainage class data is not currently available for Weston County.

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

Based on Weston County's Loam texture, pH of 6.7, 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 Weston County?

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

Soil & Planting Advisory: Weston County

Soil Verdict

Weston 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

Weston County is somewhat cooler than the Wyoming statewide average.

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.