Gunnison County Soil Data
Gunnison County, Colorado
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Gunnison County, Colorado
Variable Mountain Soil Profiles
Soil taxonomy and pH levels are not currently documented for this expansive county. Growers often encounter soils that differ significantly from the 7.29 state average pH.
Texture Records are Missing
Specific sand, silt, and clay data are unavailable for Gunnison's varied landscapes. The mix of river valleys and high peaks creates a diverse but largely unmapped textural environment.
High-Elevation Fertility Challenges
Available water capacity and organic matter levels are not recorded in this dataset. Local gardeners must often build their own soil to reach the state average of 2.18% organic matter.
Unmapped Drainage Patterns
The drainage class and hydrologic group for this area are currently unlisted. The county's significant elevation changes typically lead to rapid drainage in upland areas.
Cool Weather Success in Zone 5a
Gunnison's 5a hardiness zone requires plants that can survive a very short frost-free window. Peas, spinach, and kale thrive in these cooler temperatures and higher altitudes.
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 Gunnison County have?
Gunnison 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 Gunnison County's soil acidic or alkaline?
pH data is not available for Gunnison County.
What is the drainage class for Gunnison County?
Drainage class data is not currently available for Gunnison County.
What crops or plants grow well in Gunnison County's soil?
Based on Gunnison 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 Gunnison County?
The dominant USDA soil order for Gunnison County is not currently available in our dataset.
Soil & Planting Advisory: Gunnison County
Soil Verdict
Gunnison 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
Gunnison County closely matches the Colorado average hardiness conditions. The zone range of 5a-6a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Gunnison County on LawnByCounty.com →
Other Counties in Colorado
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.