Richmond County Soil Data
Richmond County, New York
Avg pH
3.2
Texture
Loam
Drainage
N/A
Organic Matter
19.9%
Hydrologic Group
N/A
Data Story
About Soil in Richmond County, New York
Extreme Acidity on Staten Island
Richmond County has some of the most acidic soil in the region, with a pH of only 3.16. This is dramatically lower than the state average of 5.11 and the national median of 6.5. Such extreme acidity creates a unique chemical environment that heavily influences plant selection and soil management.
Coarse Texture and Low Clay
The soil consists of 33.1% sand and 15.2% silt, with a very low clay content of 5.3%. This composition creates a coarse texture that allows for high permeability but provides very little natural structural integrity. The lack of clay means the soil has a limited ability to hold onto mineral nutrients.
Impressive Organic Matter Levels
Despite its acidity, the soil boasts a high organic matter content of 19.86%, surpassing the New York state average of 17.01%. However, its available water capacity is lower at 0.133 in/in compared to the state's 0.182 in/in. This combination suggests rich biological potential but requires careful monitoring of soil moisture.
Fast-Moving Water Dynamics
While specific drainage classes are not listed, the low clay and high organic matter facilitate rapid water movement. Gardeners should be aware that water may move through the soil profile quickly, potentially leading to dry conditions. Managing this soil requires frequent additions of compost to stabilize water levels.
Zone 7b: A Coastal Opportunity
With a hardiness zone of 7b, Richmond County enjoys a mild climate and a long growing season. Acid-loving plants like blueberries and azaleas can thrive in this naturally low-pH environment. Embrace the unique coastal conditions by planting a diverse urban garden this spring.
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 Richmond County have?
Richmond County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 33% sand, 15% silt, and 5% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Richmond County's soil acidic or alkaline?
Richmond County's soil has a low pH of 3.2, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Richmond County?
Drainage class data is not currently available for Richmond County.
What crops or plants grow well in Richmond County's soil?
Based on Richmond County's Loam texture, pH of 3.2, 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 Richmond County?
The dominant USDA soil order for Richmond County is not currently available in our dataset.
Planning your lawn? View lawn care data for Richmond County on LawnByCounty.com →
Other Counties in New York
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.