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Archuleta County Soil Data

Archuleta 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 Archuleta County, Colorado

Archuleta’s Mountainous Soil Profile

Specific soil identification and pH levels are not currently available for Archuleta County. In the absence of local data, gardeners often use the state average pH of 7.29 as a starting point for their own soil tests.

Varied Textures in Rugged Terrain

We lack definitive percentages for sand, silt, and clay for this mountainous region. Local terrain often dictates a mix of rocky loams and forest soils that vary significantly from the valley floors to the mountain peaks.

Prioritizing Soil Enrichment

There is no recorded data for organic matter or water capacity for this county. Local gardeners typically prioritize composting to reach the state average fertility levels and improve the growing potential of native soils.

Managing Slope and Drainage

Drainage classes and hydrologic groups remain unmapped for the county as a whole. Given the rugged topography, local drainage can range from excessive on slopes to poor in meadow bottoms where water naturally collects.

Hardy Mountain Gardening in 6b

Archuleta County sits in USDA Hardiness Zone 6b, benefiting from a slightly milder climate than some of its neighbors. It is a prime location for mountain-hardy perennials and early-maturing fruit trees that can withstand the altitude.

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 Archuleta County have?

Archuleta 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 Archuleta County's soil acidic or alkaline?

pH data is not available for Archuleta County.

What is the drainage class for Archuleta County?

Drainage class data is not currently available for Archuleta County.

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

Based on Archuleta 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 Archuleta County?

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

Soil & Planting Advisory: Archuleta County

Soil Verdict

Archuleta County is in USDA hardiness zone 6b, a moderate climate zone. where winter lows can reach -5°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

Archuleta County is somewhat warmer than the Colorado statewide average. The zone range of 5b-6b 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.