San Augustine County Soil Data
San Augustine County, Texas
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in San Augustine County, Texas
Deep Woods and Hidden Earth
While specific taxonomic data for San Augustine is currently limited in federal records, most East Texas counties feature acidic profiles compared to the 6.5 national median. Local land remains a cornerstone of the Piney Woods ecosystem despite missing specific pH benchmarks.
Compositional Balance in East Texas
Detailed percentages for sand, silt, and clay are unavailable in the current dataset for this region. However, the surrounding landscape typically demands attentive management of mineral ratios to ensure proper aeration for timber and agriculture.
Organic Potential and Water Storage
Current data does not specify the organic matter content or available water capacity for San Augustine. Without these local figures, growers look to the state average of 1.66% organic matter as a baseline for soil health and productivity.
Hydrological Movement in the Pines
Official drainage classes and hydrologic groups remain unspecified in the current survey. Proper site assessment is critical for building projects and irrigation planning to avoid runoff issues common in the region.
Gardening in Hardiness Zone 9a
San Augustine falls into Zone 9a, offering a long growing season for heat-tolerant favorites like okra and southern peas. You can start your garden today by focusing on native plants that thrive in the humid, warm East Texas climate.
Soil Composition
Composition data not available for this county.
Soil pH
pH data not available for this county.
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: Unknown
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does San Augustine County have?
San Augustine County's soil is classified as Unknown. This indicates the relative proportions of sand, silt, and clay — sand percentage unavailable, silt percentage unavailable, and clay percentage unavailable. Sandy soils drain quickly but may need more frequent irrigation and fertilization.
Is San Augustine County's soil acidic or alkaline?
pH data is not available for San Augustine County.
What is the drainage class for San Augustine County?
Drainage class data is not currently available for San Augustine County.
What crops or plants grow well in San Augustine County's soil?
Based on San Augustine County's Unknown texture, soil pH, and drainage class, the soil is well suited for a variety of crops depending on local conditions.
What USDA soil order is found in San Augustine County?
The dominant USDA soil order for San Augustine County is not currently available in our dataset.
Soil & Planting Advisory: San Augustine County
Soil Verdict
San Augustine County is in USDA hardiness zone 9a, a warm climate zone. where winter lows can reach 20°F. Warm winters keep soil biology active nearly year-round, accelerating decomposition but increasing pest and disease pressure in topsoil.
Planting Guidance
Tropical and subtropical plants are viable. Year-round gardening is possible, though summer heat may limit some cool-season crops. Frost is rare; tender plants can overwinter with minimal 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
Rapid organic matter turnover means soils can become nutrient-poor quickly; test annually and fertilize based on results. High soil temperatures favor certain soilborne pathogens; practice crop rotation and avoid overwatering.
Regional Context
San Augustine County is somewhat warmer than the Texas statewide average. The zone range of 8b-9a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for San Augustine County on LawnByCounty.com →
Other Counties in Texas
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.