Antrim County Soil Data
Antrim County, Michigan
USDA SSURGO / PHZMAvg pH
3.8
Texture
Loam
Drainage
N/A
Organic Matter
31.7%
Hydrologic Group
N/A
Data Story
About Soil in Antrim County, Michigan
Extremely Acidic Northern Landscapes
Antrim County has a notably low average pH of 3.83, making it one of the most acidic counties in the state. This is significantly lower than the Michigan average of 5.30 and the national median of 6.5. Such intense acidity requires significant lime treatment for traditional vegetable gardens.
Sand-Driven with Minimal Clay
The soil is comprised of 49.1% sand and only 5.8% clay, creating a very light and porous texture. Silt makes up 11.7%, though a large portion of the profile remains unidentified in standard texture tests. This composition suggests a soil that is very easy to dig but poor at retaining minerals.
High Organic Matter Buffers the Sand
Antrim County boasts a high organic matter content of 31.74%, well above the state average. This organic richness helps achieve an available water capacity of 0.187 in/in, which is close to the state benchmark. This organic 'sponge' is critical for keeping plants hydrated in such a sandy environment.
Fast Drainage for Acid-Loving Species
The high sand content and low clay imply rapid drainage, even though formal drainage classes are not provided. Water likely moves through the soil quickly, preventing saturation but potentially leaching nutrients away. Managing water flow will be a key task for local land managers.
A Haven for Blueberries in 5b
Hardiness Zone 5b offers a moderate growing window for Antrim County residents. The naturally low pH is ideal for acid-loving crops like blueberries and rhododendrons without needing much amendment. Start with these native-aligned species to see immediate success in your Antrim garden.
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 3.8. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Antrim County have?
Antrim County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 49% sand, 12% silt, and 6% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Antrim County's soil acidic or alkaline?
Antrim County's soil has a low pH of 3.8, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Antrim County?
Drainage class data is not currently available for Antrim County.
What crops or plants grow well in Antrim County's soil?
Based on Antrim County's Loam texture, pH of 3.8, 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 Antrim County?
The dominant USDA soil order for Antrim County is not currently available in our dataset.
Soil & Planting Advisory: Antrim County
Soil Verdict
Antrim 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
Antrim 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 Antrim 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.