Wadena County Soil Data
Wadena County, Minnesota
USDA SSURGO / PHZMAvg pH
5.3
Texture
Sandy Loam
Drainage
N/A
Organic Matter
14.0%
Hydrologic Group
N/A
Data Story
About Soil in Wadena County, Minnesota
Strongly Acidic Soils of the North
Wadena County has a very low average pH of 5.31, making it one of the most acidic regions in the state. This is significantly below the national median and usually indicates a landscape shaped by pine forests and glacial outwash.
Coarse and Sandy Texture
The soil is nearly 60% sand (59.5%) with a very low clay content of 7.1%. This creates a coarse texture that is easy to dig but doesn't hold onto water or nutrients particularly well on its own.
Incredible Organic Richness
Despite its sandy nature, the county boasts a massive 13.98% organic matter content, well above the state average. This high organic load helps improve the available water capacity, which sits at a decent 0.182 in/in.
Managing Rapid Drainage
Although specific drainage data is N/A, the nearly 60% sand content ensures that water moves through the soil quickly. This prevents ponding but means that gardens in Wadena County will likely need more frequent watering during dry spells.
Cold-Hardy Gardening in Zone 4a
In the cooler Zone 4a, Wadena’s 59.4 soil score reflects the challenge of acidity and sand. It is a perfect place for blueberries, potatoes, and evergreens that prefer a low pH and well-aerated ground.
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: Sandy Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Acidic Soil Detected
Your county's average pH is 5.3. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Wadena County have?
Wadena County's soil is classified as Sandy Loam. This indicates the relative proportions of sand, silt, and clay — 60% sand, 23% silt, and 7% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Wadena County's soil acidic or alkaline?
Wadena County's soil has a low pH of 5.3, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Wadena County?
Drainage class data is not currently available for Wadena County.
What crops or plants grow well in Wadena County's soil?
Based on Wadena County's Sandy Loam texture, pH of 5.3, and drainage class, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens.
What USDA soil order is found in Wadena County?
The dominant USDA soil order for Wadena County is not currently available in our dataset.
Soil & Planting Advisory: Wadena County
Soil Verdict
Wadena County is in USDA hardiness zone 4a, a cold climate zone. where winter lows can reach -30°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
Wadena County closely matches the Minnesota average hardiness conditions.
Planning your lawn? View lawn care data for Wadena 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.