Beaverhead County Soil Data
Beaverhead County, Montana
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Beaverhead County, Montana
Beaverhead's Undiscovered Soil Character
Digital surveys do not currently provide a specific taxonomic order or pH level for Beaverhead County. While the national median pH sits at 6.5, growers here typically encounter the more alkaline levels common across Montana's average of 7.43. Testing local plots remains the most reliable way to identify your specific soil profile.
A Local Blend of Soil Textures
Specific percentages for sand, silt, and clay are currently unmapped in this high-altitude region. Soil texture dictates how well the ground breathes and holds nutrients, making manual jar tests essential for local farmers. Understanding your texture helps you manage workability and drainage throughout the growing season.
Measuring Fertility Potential in the Highlands
Organic matter data is unavailable for Beaverhead, but the county operates within a state average of 2.54%. The lack of a specific available water capacity (AWC) means growers must carefully monitor irrigation. Aiming for the state benchmark of 0.165 in/in helps ensure crops have enough water during dry spells.
Managing Water in Mountain Soils
The dominant drainage class and hydrologic group for this area are not currently recorded in federal databases. Natural terrain variations in the county heavily influence how water moves across the landscape. Homeowners should observe runoff patterns personally before planning new building foundations or drainage systems.
Gardening in Hardiness Zone 5a
Beaverhead County falls within USDA Hardiness Zone 5a, favoring plants that can survive chilly mountain winters. Cold-hardy greens and short-season vegetables perform best in this climate. Start your garden with frost-resistant varieties to make the most of the brisk growing window.
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
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 Beaverhead County have?
Beaverhead 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 Beaverhead County's soil acidic or alkaline?
pH data is not available for Beaverhead County.
What is the drainage class for Beaverhead County?
Drainage class data is not currently available for Beaverhead County.
What crops or plants grow well in Beaverhead County's soil?
Based on Beaverhead 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 Beaverhead County?
The dominant USDA soil order for Beaverhead County is not currently available in our dataset.
Soil & Planting Advisory: Beaverhead County
Soil Verdict
Beaverhead 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
Beaverhead County is somewhat warmer than the Montana statewide average. The zone range of 4b-5a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Beaverhead County on LawnByCounty.com →
Other Counties in Montana
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.