Adams County Soil Data
Adams County, Ohio
USDA SSURGO / PHZMAvg pH
5.7
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.8%
Hydrologic Group
N/A
Data Story
About Soil in Adams County, Ohio
Acidic Foundations in Adams County
Adams County soil averages a pH of 5.72, which is more acidic than the state average of 5.97 and well below the national median of 6.5. While taxonomic data is limited here, the acidity level suggests a landscape shaped by significant leaching over time.
A Silt-Heavy Soil Blend
The soil profile consists of 54.6% silt, 20.9% sand, and 20.6% clay. This high silt concentration creates a smooth texture that holds moisture well, though it can be prone to erosion if not managed carefully.
Solid Water Storage, Lower Organic Matter
The organic matter content is 2.83%, which beats the national average of 2.0% but falls short of the Ohio state average of 4.85%. Despite lower organic levels, the available water capacity of 0.190 in/in is higher than the state average, providing a reliable reservoir for plant roots.
Managing Water in Silt Fields
While specific drainage class data for the county is currently limited, the high silt percentage typically indicates moderate permeability. Farmers and builders should monitor for surface runoff during heavy Ohio rains due to the fine particle size.
Thriving in Hardiness Zone 6b
Located in USDA Hardiness Zone 6b, this county supports diverse agriculture ranging from tobacco to forage crops. Given the acidic 5.72 pH, blueberries or other acid-loving plants will thrive here with minimal soil 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: Silt Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Acidic Soil Detected
Your county's average pH is 5.7. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Adams County have?
Adams County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 21% sand, 55% silt, and 21% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Adams County's soil acidic or alkaline?
Adams County's soil has a pH of 5.7, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Adams County?
Drainage class data is not currently available for Adams County.
What crops or plants grow well in Adams County's soil?
Based on Adams County's Silt Loam texture, pH of 5.7, 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 Adams County?
The dominant USDA soil order for Adams County is not currently available in our dataset.
Soil & Planting Advisory: Adams County
Soil Verdict
Adams County is in USDA hardiness zone 6b, a moderate climate zone. where winter lows can reach -5°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
Adams County closely matches the Ohio average hardiness conditions.
Planning your lawn? View lawn care data for Adams County on LawnByCounty.com →
Other Counties in Ohio
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.