Mason County Soil Data
Mason County, Michigan
USDA SSURGO / PHZMAvg pH
5.4
Texture
Loamy Sand
Drainage
N/A
Organic Matter
8.7%
Hydrologic Group
N/A
Data Story
About Soil in Mason County, Michigan
Acidic Sands Along the Lake Michigan Coast
Mason County has an average pH of 5.41, which is slightly higher than the Michigan state average of 5.30 but well below the national median of 6.5. This acidic profile is common in Michigan's sand-heavy coastal regions. The lack of taxonomic data suggests a diverse landscape that varies by inland distance.
Sand-Dominant Profile with Low Retention
The soil is overwhelmingly sandy at 75.2%, with only 13.6% silt and 9.7% clay. This high sand content ensures very rapid drainage but means the soil struggles to hold onto water and liquid fertilizers. Gardeners will find the soil very easy to dig, though it may require frequent amendments.
Moderate Organic Levels with Low Water Capacity
Organic matter sits at 8.71%, which is healthy compared to the national average of 2.0% but lower than the state's 19.76% average. The available water capacity is quite low at 0.133 in/in, compared to the state average of 0.202. Frequent irrigation is often necessary to keep plants hydrated in this fast-draining soil.
Unclassified Drainage in Sandy Terrain
Specific drainage classes and hydrologic groups are not listed for Mason County's dominant soil units. However, given the 75.2% sand content, the soil likely exhibits rapid to excessive drainage in most areas. This makes the county well-suited for building but challenging for water-intensive agriculture.
Thriving Orchard Potential in Zone 6a
Mason County resides in hardiness zone 6a, a sweet spot for fruit production including apples and peaches. The sandy soil is excellent for asparagus and root vegetables that prefer loose ground. Start your coastal garden today and enjoy the benefits of the Lake Michigan microclimate.
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: Loamy Sand
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Acidic Soil Detected
Your county's average pH is 5.4. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Mason County have?
Mason County's soil is classified as Loamy Sand. This indicates the relative proportions of sand, silt, and clay — 75% sand, 14% silt, and 10% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Mason County's soil acidic or alkaline?
Mason County's soil has a low pH of 5.4, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Mason County?
Drainage class data is not currently available for Mason County.
What crops or plants grow well in Mason County's soil?
Based on Mason County's Loamy Sand texture, pH of 5.4, 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 Mason County?
The dominant USDA soil order for Mason County is not currently available in our dataset.
Soil & Planting Advisory: Mason County
Soil Verdict
Mason County is in USDA hardiness zone 6a, a moderate climate zone. where winter lows can reach -10°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
Mason County is somewhat warmer than the Michigan statewide average. The zone range of 6a-6b within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Mason 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.