Kalkaska County Soil Data
Kalkaska County, Michigan
USDA SSURGO / PHZMAvg pH
3.9
Texture
Loam
Drainage
N/A
Organic Matter
40.7%
Hydrologic Group
N/A
Data Story
About Soil in Kalkaska County, Michigan
Extremely Acidic Northern Forest Soils
Kalkaska County has a very low average pH of 3.88, making it one of the most acidic regions in the state. This is far below the national median of 6.5 and reflects the county's history of conifer forests and specialized soil development.
Balanced Texture for Northern Ground
The soil is comprised of 47.8% sand, 23.2% silt, and 15.9% clay. This creates a more substantial body than many other sandy Michigan counties, providing a better foundation for holding onto added nutrients.
Incredible Organic Matter and Water Storage
Organic matter is exceptionally high at 40.65%, which is double the state average. This results in a high available water capacity of 0.236 in/in, allowing the soil to retain significant moisture despite its high sand content.
Moisture-Retentive and Complex Soils
While drainage classes are not officially specified, the high organic matter and clay content suggest this soil holds water much longer than typical sands. This makes it a unique environment where drought resistance is naturally high.
Specialized Gardening in Zone 5b
The extreme acidity and high moisture are perfect for blueberries, rhododendrons, and other acid-loving plants in zone 5b. If you want to grow standard vegetables, significant soil amending will be the secret to your success.
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
Acidic Soil Detected
Your county's average pH is 3.9. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Kalkaska County have?
Kalkaska County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 48% sand, 23% silt, and 16% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Kalkaska County's soil acidic or alkaline?
Kalkaska County's soil has a low pH of 3.9, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Kalkaska County?
Drainage class data is not currently available for Kalkaska County.
What crops or plants grow well in Kalkaska County's soil?
Based on Kalkaska County's Loam texture, pH of 3.9, 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 Kalkaska County?
The dominant USDA soil order for Kalkaska County is not currently available in our dataset.
Soil & Planting Advisory: Kalkaska County
Soil Verdict
Kalkaska County is in USDA hardiness zone 5b, a cold climate zone. where winter lows can reach -15°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
Kalkaska County closely matches the Michigan average hardiness conditions. The zone range of 5a-6a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Kalkaska County on LawnByCounty.com →
Other Counties in Michigan
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.