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Lewis County Soil Data

Lewis County, New York

USDA SSURGO / PHZM

Avg pH

5.2

Texture

Loam

Drainage

N/A

Organic Matter

27.7%

Hydrologic Group

N/A

Data Story

About Soil in Lewis County, New York

Acidic and Unique Northern Soils

Lewis County soil averages a pH of 5.17, which is notably more acidic than the national median of 6.5. This measurement aligns closely with the New York state average of 5.11, reflecting the region's typical chemical profile.

Sandy Texture with Balanced Silt

The soil contains 40.7% sand and 8.8% clay, creating a light structure that allows for easy workability. A silt content of 25.3% helps balance the texture, though the high sand ratio suggests relatively rapid drainage.

Exceptional Organic Matter Levels

Organic matter is exceptionally high at 27.72%, far exceeding the state average of 17.01%. The available water capacity of 0.206 in/in ensures the soil retains moisture more effectively than most New York counties.

Managing High Moisture Retention

Specific drainage class and hydrologic group data are not available for this county. However, the remarkably high organic content suggests a sponge-like quality that helps manage heavy northern rainfall.

Hardy Crops for Zone 4b

Hardiness zone 4b requires cold-hardy varieties like kale, potatoes, or root vegetables. This nutrient-dense soil provides a powerful foundation for a productive northern New York garden.

Soil Composition

Loam
Sand: 40.7%
Silt: 25.3%
Clay: 8.8%
Loam

Soil pH

5.2pH
5.17322098327198
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

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

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Acidic Soil Detected

Your county's average pH is 5.2. These products help balance soil pH for healthier grass.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Lewis County have?

Lewis County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 41% sand, 25% silt, and 9% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Lewis County's soil acidic or alkaline?

Lewis County's soil has a low pH of 5.2, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.

What is the drainage class for Lewis County?

Drainage class data is not currently available for Lewis County.

What crops or plants grow well in Lewis County's soil?

Based on Lewis County's Loam texture, pH of 5.2, 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 Lewis County?

The dominant USDA soil order for Lewis County is not currently available in our dataset.

Soil & Planting Advisory: Lewis County

Soil Verdict

Lewis County is in USDA hardiness zone 4b, a cold climate zone. where winter lows can reach -25°F. Soils here experience deep freeze cycles that can disrupt structure, kill shallow roots, and slow microbial activity for months each year.

Planting Guidance

Focus on cold-hardy perennials, native grasses, and conifers. The short growing window favors plants with low heat requirements. With extreme winter lows, any marginally hardy plants need heavy mulch and wind protection. 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

Deep winter freezing can create soil heaving that pushes shallow-rooted plants out of the ground; add 3-4 inches of organic mulch each fall. Soil drainage is critical — frozen, waterlogged soil kills roots faster than cold alone. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Lewis County is significantly cooler than the New York average, shifting effective hardiness by roughly 1.6 zones.

Other Counties in New York

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.