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Ulster County Soil Data

Ulster County, New York

USDA SSURGO / PHZM

Avg pH

5.1

Texture

Loam

Drainage

N/A

Organic Matter

13.6%

Hydrologic Group

N/A

Data Story

About Soil in Ulster County, New York

Typical New York Acidity in the Hudson Valley

Ulster County's soil pH of 5.13 aligns almost perfectly with the New York state average of 5.11. This acidic profile results in a soil score of 54.6, which is slightly below the state average of 59.7. Local growers often use amendments to balance this natural acidity for sensitive crops.

Balanced Textures for Valley Farming

The soil contains 43.0% silt, 35.8% sand, and 13.9% clay. This mixture provides a versatile loam-like texture that supports the county's famous apple orchards. The balance of particles ensures the soil is neither too heavy nor too porous for standard agriculture.

Healthy Organic Matter and Average Water Access

Organic matter content is 13.62%, which is robust even if it sits below the state benchmark of 17.01%. Available water capacity is 0.179 in/in, very close to the state average of 0.182 in/in. These metrics indicate a soil with good structural health and reliable water retention.

Consistent Hydrology in the Mid-Hudson

Specific drainage and hydrologic group data are unavailable, but the 43.0% silt content points to a soil that manages moisture effectively. It provides enough drainage to prevent waterlogging while holding onto the rains of the Hudson Valley. This stability is a key reason for the region's long agricultural history.

The Orchard Expert’s Zone 6a

Ulster County’s Zone 6a climate is legendary for stone fruits, berries, and cider apples. The acidic soil is a natural fit for many native shrubs and specialized orchard varieties. Dive into gardening here to experience the rich agricultural heritage of the Hudson Valley.

Soil Composition

Loam
Sand: 35.8%
Silt: 43.0%
Clay: 13.9%
Loam

Soil pH

5.1pH
5.12948694440201
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 5.1. These products help balance soil pH for healthier grass.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Ulster County have?

Ulster County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 36% sand, 43% silt, and 14% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Ulster County's soil acidic or alkaline?

Ulster County's soil has a low pH of 5.1, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.

What is the drainage class for Ulster County?

Drainage class data is not currently available for Ulster County.

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

Based on Ulster County's Loam texture, pH of 5.1, 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 Ulster County?

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

Soil & Planting Advisory: Ulster County

Soil Verdict

Ulster 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

Ulster County closely matches the New York average hardiness conditions. The zone range of 5b-6b within the county means soil and planting decisions should account for local elevation and topography.

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.