Ashtabula County Soil Data
Ashtabula County, Ohio
USDA SSURGO / PHZMAvg pH
5.4
Texture
Extremely gravelly sand
Drainage
N/A
Organic Matter
9.1%
Hydrologic Group
N/A
Data Story
About Soil in Ashtabula County, Ohio
Distinctly Acidic Lake Effect Soils
Ashtabula County has highly acidic soil with a pH of 5.43, significantly lower than the 6.5 national median. This acidity is a defining characteristic of the region, often requiring management for traditional grain farming.
Fine Texture and Low Clay
The soil is comprised of 46.7% silt, 30.6% sand, and 15.3% clay. This lower clay percentage compared to neighboring counties suggests the soil is less likely to become sticky or heavy when wet.
Exceptional Organic Matter Levels
Ashtabula boasts a massive 9.13% organic matter content, nearly double the state average of 4.85%. This organic wealth provides an incredible nutrient base, even though the available water capacity of 0.181 is slightly below the state average.
Naturally Rich Hydrological Potential
While specific drainage classes are not currently listed in the data, the high organic matter suggests the soil functions like a sponge. This allows for productive growth despite the county's relatively low soil score of 59.6.
A Vineyard Paradise in Zone 6a
The 5.43 pH and high organic matter are perfect for Ashtabula’s famous vineyards and berry farms. If you are starting a garden, embrace the acidity by planting blueberries, azaleas, or potatoes.
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: Extremely gravelly 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 Ashtabula County have?
Ashtabula County's soil is classified as Extremely gravelly sand. This indicates the relative proportions of sand, silt, and clay — 31% sand, 47% silt, and 15% clay. Sandy soils drain quickly but may need more frequent irrigation and fertilization.
Is Ashtabula County's soil acidic or alkaline?
Ashtabula 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 Ashtabula County?
Drainage class data is not currently available for Ashtabula County.
What crops or plants grow well in Ashtabula County's soil?
Based on Ashtabula County's Extremely gravelly sand texture, pH of 5.4, and drainage class, the soil is well suited for acid-loving plants like blueberries and azaleas, drought-tolerant crops, root vegetables, and sandy-soil specialists.
What USDA soil order is found in Ashtabula County?
The dominant USDA soil order for Ashtabula County is not currently available in our dataset.
Soil & Planting Advisory: Ashtabula County
Soil Verdict
Ashtabula 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
Ashtabula County closely matches the Ohio average hardiness conditions. 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 Ashtabula 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.