Kalamazoo County Soil Data
Kalamazoo County, Michigan
USDA SSURGO / PHZMAvg pH
5.3
Texture
Sandy Loam
Drainage
N/A
Organic Matter
10.2%
Hydrologic Group
N/A
Data Story
About Soil in Kalamazoo County, Michigan
Typical Michigan Acidity in Kalamazoo
Kalamazoo County's average pH is 5.35, closely tracking the state average of 5.30 but significantly more acidic than the national 6.5 median. This acidity often requires gardeners to use lime when growing pH-sensitive vegetables like asparagus.
Sandy Soils with Low Clay Content
With 57.7% sand and only 8.0% clay, Kalamazoo's soil is very light and workable. This lack of clay makes the soil less likely to form hard clods, but it also means it holds fewer nutrients naturally than heavier soils.
Rich Organic Matter and Moderate Storage
The soil contains 10.23% organic matter, which is excellent for microbial health compared to the 2.0% national average. An available water capacity of 0.165 in/in suggests that while it isn't the most water-retentive, it holds enough to support steady plant growth.
Naturally Draining Sandy Grounds
Though specific drainage class data is absent, the high sand and low clay percentages indicate the soil likely drains quite well. This reduces the risk of root rot for most plants but might require more frequent watering during heat waves.
Abundant Possibilities in Zone 6a
The 6a hardiness zone allows for a long growing season of peppers, tomatoes, and even some varieties of peaches. Kalamazoo’s sandy-rich soil is perfect for building raised beds or starting a productive backyard plot.
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 Kalamazoo County have?
Kalamazoo County's soil is classified as Sandy Loam. This indicates the relative proportions of sand, silt, and clay — 58% sand, 21% silt, and 8% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Kalamazoo County's soil acidic or alkaline?
Kalamazoo 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 Kalamazoo County?
Drainage class data is not currently available for Kalamazoo County.
What crops or plants grow well in Kalamazoo County's soil?
Based on Kalamazoo 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 Kalamazoo County?
The dominant USDA soil order for Kalamazoo County is not currently available in our dataset.
Soil & Planting Advisory: Kalamazoo County
Soil Verdict
Kalamazoo 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
Kalamazoo County is somewhat warmer than the Michigan statewide average.
Planning your lawn? View lawn care data for Kalamazoo 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.