Phillips County Soil Data
Phillips County, Montana
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Phillips County, Montana
Northern Prairie Soil Identity
Detailed taxonomic data and pH levels for Phillips County are currently unavailable in our database. Most soils in this region tend toward the alkaline side of the scale.
Incomplete Composition Data
Specific sand, silt, and clay ratios are not currently documented for this county. Local landowners often find a mix of alluvial deposits and glacial till.
Fertility Metrics Not Recorded
Regional organic matter and water capacity figures are missing from this dataset. Without local benchmarks, gardeners should focus on building soil health through consistent mulching.
Hydrology Data Unavailable
Dominant drainage and hydrologic group classifications are not yet mapped for this county. Careful observation of local water movement is key for any construction or planting project.
Hardy Growing in Zone 3b
Phillips County sits in Zone 3b, one of the coldest growing zones in the lower 48 states. Focus on extremely hardy varieties and cold frames to find success in your garden.
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 Phillips County have?
Phillips 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 Phillips County's soil acidic or alkaline?
pH data is not available for Phillips County.
What is the drainage class for Phillips County?
Drainage class data is not currently available for Phillips County.
What crops or plants grow well in Phillips County's soil?
Based on Phillips 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 Phillips County?
The dominant USDA soil order for Phillips County is not currently available in our dataset.
Soil & Planting Advisory: Phillips County
Soil Verdict
Phillips County is in USDA hardiness zone 3b, a very cold climate zone. where winter lows can reach -35°F. Soils here experience deep freeze cycles that can disrupt structure, kill shallow roots, and slow microbial activity for months each year.
Planting Guidance
Focus on cold-hardy perennials, native grasses, and conifers. The short growing window favors plants with low heat requirements. 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
Deep winter freezing can create soil heaving that pushes shallow-rooted plants out of the ground; add 3-4 inches of organic mulch each fall. Soil drainage is critical — frozen, waterlogged soil kills roots faster than cold alone. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.
Regional Context
Phillips County is somewhat cooler than the Montana statewide average. The zone range of 3b-4b within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Phillips County on LawnByCounty.com →
Other Counties in Montana
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.