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Larimer County Soil Data

Larimer County, Colorado

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 Larimer County, Colorado

Front Range Soil Diversity

Specific pH and taxonomic data are not currently recorded for Larimer County, which spans from plains to peaks. Local soil chemistry can vary significantly from the statewide average pH of 7.29.

A Mix of Plains and Foothills

Current datasets do not provide a specific breakdown of sand, silt, and clay for this area. The transition from valley floors to mountain slopes creates a wide variety of textures and workability levels.

Regional Fertility Benchmarks

Organic matter and water capacity data are unavailable, leaving the state average of 2.18% organic matter as a general target for growers. Soil testing is highly recommended to determine the nutrient needs of your specific plot.

Varied Hydrology and Runoff

No dominant drainage class is specified in the federal data for the county. This variability makes local site assessments essential before beginning any agricultural or construction projects.

Versatile Growing in Zone 5b

Larimer County falls into USDA Hardiness Zone 5b, supporting everything from heirloom tomatoes to native perennials. Get outside and start your garden this spring to enjoy the region's diverse growing potential.

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 Larimer County have?

Larimer 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 Larimer County's soil acidic or alkaline?

pH data is not available for Larimer County.

What is the drainage class for Larimer County?

Drainage class data is not currently available for Larimer County.

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

Based on Larimer 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 Larimer County?

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

Soil & Planting Advisory: Larimer County

Soil Verdict

Larimer County is in USDA hardiness zone 5b, a cold climate zone. where winter lows can reach -15°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. Winter protection (mulch, burlap wraps) helps push the zone boundary for desired species. 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

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

Other Counties in Colorado

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.