Iron County Soil Data
Iron County, Utah
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Iron County, Utah
Iron's alkaline soil foundations
Detailed taxonomic and pH data for Iron County are missing from the current digital records. While localized pH is unknown, the Utah average of 7.71 suggests the soil is more alkaline than the national median of 6.5. This chemical profile affects how your plants absorb essential nutrients like iron and phosphorus.
A texture mix yet to be mapped
The specific balance of sand, silt, and clay remains unquantified for the county. Most regional soils offer a mix of alluvial fans and basin deposits that dictate how well your garden drains. Testing a handful of damp soil at home reveals if you are working with heavy clay or loose sand.
Water capacity and organic goals
Specific organic matter data for Iron County is unavailable, but the state average is a robust 7.59%. This state benchmark easily beats the national average of 2.0%. Targeting the state available water capacity of 0.138 in/in helps your crops survive the dry Utah summers.
Strategic planning for drainage
Iron County does not have a recorded dominant drainage class or hydrologic group in this dataset. Builders and farmers should perform site-specific evaluations to ensure proper foundation stability and crop hydration. Understanding your land's unique slope and water absorption is the first step to successful management.
Mountain-to-basin growing in Zone 6a
Iron County sits within USDA Hardiness Zone 6a, supporting a variety of mid-range perennials and vegetables. Fruit trees like apples and pears perform well when sheltered from late spring frosts. Your garden journey begins with hardy varieties that can handle the county’s temperature swings.
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 Iron County have?
Iron 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 Iron County's soil acidic or alkaline?
pH data is not available for Iron County.
What is the drainage class for Iron County?
Drainage class data is not currently available for Iron County.
What crops or plants grow well in Iron County's soil?
Based on Iron 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 Iron County?
The dominant USDA soil order for Iron County is not currently available in our dataset.
Soil & Planting Advisory: Iron County
Soil Verdict
Iron 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
Iron County closely matches the Utah average hardiness conditions. 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 Iron County on LawnByCounty.com →
Other Counties in Utah
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.