Franklin County Soil Data
Franklin County, Massachusetts
Avg pH
2.1
Texture
Loam
Drainage
N/A
Organic Matter
61.4%
Hydrologic Group
N/A
Data Story
About Soil in Franklin County, Massachusetts
Exceptional Acidity and High Quality
Franklin County records an exceptionally acidic pH of 2.11, the lowest in the state and far below the 6.5 national median. Despite this intensity, it earns a high soil score of 66.9, well above the Massachusetts average of 50.8. This indicates a unique, specialized environment that is highly productive for the right species.
A Unique Sponge-Like Structure
The soil mix contains 18.0% sand, 13.5% silt, and a small 2.4% clay fraction, leaving much of the profile to organic components. This composition creates a light, sponge-like structure that is very different from standard agricultural loam. The low clay content means the soil relies on organic matter rather than minerals for its stability.
Massive Organic Wealth and Capacity
Franklin boasts a massive 61.44% organic matter content, which is more than double the state average of 29.25%. This richness powers a high available water capacity of 0.330 inches per inch, significantly outperforming the state average of 0.184. These numbers point to an incredibly fertile, moisture-rich environment for organic farming.
Managing High Moisture Retention
While specific drainage classes aren't categorized, the extreme organic content and water capacity suggest a profile that holds moisture exceptionally well. This hydrologic profile is vital for the county's agricultural heritage but requires careful management to prevent saturation. Local land use depends heavily on these carbon-rich, sponge-like soils.
Premier Growing in Zone 5b
Residents in Zone 5b can take advantage of some of the most organic-rich soil in the Commonwealth. Cold-hardy crops like kale, blueberries, and root vegetables thrive in this moisture-retentive, acidic earth. The incredible fertility makes Franklin a premier location for a high-yield home garden.
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: Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Franklin County have?
Franklin County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 18% sand, 13% silt, and 2% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Franklin County's soil acidic or alkaline?
Franklin County's soil has a low pH of 2.1, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Franklin County?
Drainage class data is not currently available for Franklin County.
What crops or plants grow well in Franklin County's soil?
Based on Franklin County's Loam texture, pH of 2.1, 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 Franklin County?
The dominant USDA soil order for Franklin County is not currently available in our dataset.
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Other Counties in Massachusetts
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.