Gratiot County Soil Data
Gratiot County, Michigan
USDA SSURGO / PHZMAvg pH
6.1
Texture
Sandy Loam
Drainage
N/A
Organic Matter
11.7%
Hydrologic Group
N/A
Data Story
About Soil in Gratiot County, Michigan
Balanced pH for Versatile Growth
Gratiot County boasts a soil pH of 6.10, which is much closer to the national median of 6.5 than the Michigan average of 5.30. This relatively neutral profile makes the soil highly adaptable for various crops.
A Balanced Sandy Foundation
The soil composition is 60.2% sand, 21.1% silt, and 12.7% clay. This provides a workable texture that avoids the heaviness of pure clay while retaining more nutrients than pure sand.
High Organic Levels Support Fertility
At 11.71%, the organic matter content is nearly six times the national average. The available water capacity is 0.166 in/in, requiring attentive water management during the peak of summer.
Stable Ground and Flexible Use
While detailed drainage data is limited, the high sand and silt proportions suggest a soil that resists excessive saturation. This balance supports both large-scale agriculture and backyard garden projects.
Zone 6a Gardeners Start Strong
The near-neutral pH and zone 6a climate make Gratiot County prime for tomatoes, squash, and peppers. Start your garden with confidence knowing your soil needs minimal pH adjustment.
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
Sandy Soil Detected
Sandy soils drain quickly and can dry out. These products boost water retention and organic matter.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Gratiot County have?
Gratiot County's soil is classified as Sandy Loam. This indicates the relative proportions of sand, silt, and clay — 60% sand, 21% silt, and 13% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Gratiot County's soil acidic or alkaline?
Gratiot County's soil has a pH of 6.1, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Gratiot County?
Drainage class data is not currently available for Gratiot County.
What crops or plants grow well in Gratiot County's soil?
Based on Gratiot County's Sandy Loam texture, pH of 6.1, 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 Gratiot County?
The dominant USDA soil order for Gratiot County is not currently available in our dataset.
Soil & Planting Advisory: Gratiot County
Soil Verdict
Gratiot 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
Gratiot County is somewhat warmer than the Michigan statewide average.
Planning your lawn? View lawn care data for Gratiot 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.