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Lincoln County Soil Data

Lincoln County, Montana

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 Lincoln County, Montana

Forest Soils of the Northwest

In this heavily forested county, specific soil pH and taxonomic data are currently limited. Based on state trends, we expect an alkaline profile near 7.43, which is significantly higher than the national median of 6.5.

Structure in the Mountains

Data regarding the sand, silt, and clay percentages are not yet cataloged for Lincoln County. Understanding these textural ratios is vital for managing water on the steep slopes found throughout the region.

Building Your Soil Health

While specific organic matter data is missing, the Montana state average of 2.54% provides a good benchmark for local health. Adding compost can help your garden reach or exceed the state's typical water capacity of 0.165.

Observing Water Movement

Official drainage and hydrologic groups are not available, requiring site-specific tests for any new construction or agriculture. Watch how your land handles rainfall to determine if you need to improve drainage.

Mild Winters in Zone 5a

A relatively mild 5a Hardiness Zone allows for a longer growing season than many other parts of Montana. Start a garden this year to take advantage of the perfect climate for berries and hardy fruit trees.

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 Lincoln County have?

Lincoln 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 Lincoln County's soil acidic or alkaline?

pH data is not available for Lincoln County.

What is the drainage class for Lincoln County?

Drainage class data is not currently available for Lincoln County.

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

Based on Lincoln 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 Lincoln County?

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

Soil & Planting Advisory: Lincoln County

Soil Verdict

Lincoln 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

Lincoln County is somewhat warmer than the Montana statewide average. The zone range of 5a-6a within the county means soil and planting decisions should account for local elevation and topography.

Other Counties in Montana

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.