Dakota County Soil Data
Dakota County, Minnesota
USDA SSURGO / PHZMAvg pH
6.3
Texture
Loam
Drainage
N/A
Organic Matter
5.7%
Hydrologic Group
N/A
Data Story
About Soil in Dakota County, Minnesota
Near Neutral Soils Near the Cities
Dakota County soil has an average pH of 6.27, which is nearly identical to the Minnesota state average of 6.21. This level is just slightly more acidic than the national median of 6.5. It provides a versatile chemical base for both suburban lawns and commercial agriculture.
Balanced Loamy Mix for Versatility
The soil consists of 43.3% sand, 40.3% silt, and 15.7% clay. This creates a loamy texture that balances drainage with the ability to hold onto vital nutrients. The moderate clay content ensures the soil is stable enough for construction while remaining friable for farming.
Strong Organic Foundation for Growth
The soil holds 5.72% organic matter, nearly tripling the national average of 2.0%. While the available water capacity of 0.187 in/in is slightly below the state average of 0.199, the high organic content supports healthy plant development. These soils are reliable and productive throughout the growing season.
Reliable Water Movement Patterns
Though specific drainage classes aren't listed, the 43.3% sand content facilitates steady water infiltration. This prevents the heavy ponding often seen in clay-dominated regions. It is a forgiving soil for homeowners looking to establish sustainable rain gardens or healthy lawns.
Gardening Success in Zone 5a
Hardiness Zone 5a allows for a long growing season for tomatoes, peppers, and various fruit trees. The soil's balanced pH and texture make it one of the more versatile regions in the state for gardening. Your backyard has the potential to be a highly productive green space.
Soil Composition
Soil pH
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: Loam
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 Dakota County have?
Dakota County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 43% sand, 40% silt, and 16% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Dakota County's soil acidic or alkaline?
Dakota County's soil has a pH of 6.3, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Dakota County?
Drainage class data is not currently available for Dakota County.
What crops or plants grow well in Dakota County's soil?
Based on Dakota County's Loam texture, pH of 6.3, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.
What USDA soil order is found in Dakota County?
The dominant USDA soil order for Dakota County is not currently available in our dataset.
Soil & Planting Advisory: Dakota County
Soil Verdict
Dakota 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
Dakota County is somewhat warmer than the Minnesota statewide average. The zone range of 4b-5a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Dakota County on LawnByCounty.com →
Other Counties in Minnesota
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.