Fremont County Soil Data
Fremont County, Idaho
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Fremont County, Idaho
Fremont's Geological Soil Identity
Specific taxonomic and pH data for Fremont County are currently unavailable. In the broader context, Idaho soils tend toward a pH of 6.04, which is more acidic than the 6.5 national median.
Composition and Earth Texture
We lack specific sand, silt, and clay data for this region's soil. These percentages are the primary indicators of how well soil breathes and how much water it holds.
Idaho's Impressive Soil Scores
Fremont's organic matter is not currently recorded, but the state average is an outlier at 27.53%. This compares favorably to the 2.0% national average, suggesting high potential for Idaho lands.
Drainage Classes and Water Flow
The dominant drainage class is currently unassigned for Fremont County. Proper hydrologic classification helps residents manage heavy snowmelt and prevent seasonal flooding issues.
Hardy Crops for Zone 5a
Fremont County falls into USDA Hardiness Zone 5a, one of Idaho's cooler zones. Short-season potatoes and cold-weather greens are the most reliable choices for local gardens.
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 Fremont County have?
Fremont 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 Fremont County's soil acidic or alkaline?
pH data is not available for Fremont County.
What is the drainage class for Fremont County?
Drainage class data is not currently available for Fremont County.
What crops or plants grow well in Fremont County's soil?
Based on Fremont 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 Fremont County?
The dominant USDA soil order for Fremont County is not currently available in our dataset.
Soil & Planting Advisory: Fremont County
Soil Verdict
Fremont 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
Fremont County is somewhat cooler than the Idaho statewide average. The zone range of 4a-5a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Fremont County on LawnByCounty.com →
Other Counties in Idaho
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.