Garfield County Soil Data
Garfield 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 Garfield County, Colorado
Western Slope Soil Chemistry
Garfield County lacks specific local soil classification in this record, though it resides in a predominantly alkaline state. The Colorado average pH of 7.29 remains significantly higher than the 6.5 national median.
Texture Varies by Elevation
Sand, silt, and clay data are not provided for this specific area. The diverse terrain from river valleys to plateaus suggests that soil texture varies greatly across the county’s geography.
Building a More Fertile Foundation
We do not have local organic matter or water capacity figures for Garfield County. Targeting the state average of 2.18% organic matter through composting will help build a more fertile and resilient foundation.
Observing Site Hydrology
Data on dominant drainage classes and hydrologic groups is currently unavailable. Homeowners should observe water movement during snowmelt to understand how their specific site handles moisture.
Mountain Harvests in Zone 6a
Falling within hardiness zone 6a, Garfield County supports a wide range of crops from leafy greens to hardy perennials. Take advantage of the sunny days and cool nights to produce high-quality harvests.
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 Garfield County have?
Garfield 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 Garfield County's soil acidic or alkaline?
pH data is not available for Garfield County.
What is the drainage class for Garfield County?
Drainage class data is not currently available for Garfield County.
What crops or plants grow well in Garfield County's soil?
Based on Garfield 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 Garfield County?
The dominant USDA soil order for Garfield County is not currently available in our dataset.
Soil & Planting Advisory: Garfield County
Soil Verdict
Garfield County is in USDA hardiness zone 6a, a moderate climate zone. where winter lows can reach -10°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
Garfield 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.
Planning your lawn? View lawn care data for Garfield 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.