Marion County Soil Data
Marion 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 Marion County, Texas
A Mystery in the East Texas Timberlands
Marion County's specific soil classifications and pH levels are not currently indexed in this primary dataset. Local land typically reflects the acidic, pine-friendly profiles common to the Piney Woods region. Gardeners should conduct individual soil tests to determine their specific baseline pH relative to the national 6.5 median.
Regional Textures and Timber Growth
While exact sand and clay percentages for this profile are unavailable, the region generally features sandy surface layers over clayey subsoils. This classic East Texas mix provides an ideal balance of drainage and moisture retention for timber. Residents often find the soil easy to work but requiring supplemental nutrients for vegetable gardening.
Potential for High Organic Growth
Local organic matter often tracks with the state average of 1.66%, though specific county-wide data is limited here. Despite the lack of precise water capacity metrics, the area's high annual rainfall usually offsets lower water storage in the soil. Lush forest growth across the county suggests strong natural fertility for native species.
Navigating Hydrology in the Bayou
Detailed drainage classes and hydrologic groups for this specific county footprint remain unmapped in the current data report. Given the proximity to Caddo Lake, many local soils likely experience high water tables and seasonal saturation. Homebuilders and farmers should perform site-specific perk tests to ensure proper drainage for their projects.
Thriving in Hardiness Zone 8b
This county falls within USDA hardiness zone 8b, a prime climate for azaleas, camellias, and blueberries. The long, humid growing season supports a massive variety of Southern perennials and ornamental shrubs. Grab some compost and start a garden to take advantage of this mild 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
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Marion County have?
Marion 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 Marion County's soil acidic or alkaline?
pH data is not available for Marion County.
What is the drainage class for Marion County?
Drainage class data is not currently available for Marion County.
What crops or plants grow well in Marion County's soil?
Based on Marion 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 Marion County?
The dominant USDA soil order for Marion County is not currently available in our dataset.
Soil & Planting Advisory: Marion County
Soil Verdict
Marion County is in USDA hardiness zone 8b, a warm climate zone. where winter lows can reach 15°F. Mild winters mean soil rarely freezes deeply, allowing year-round microbial activity and faster organic matter breakdown.
Planting Guidance
Warm-season crops, citrus relatives, and heat-loving ornamentals do well. Cool-season vegetables should be planted in fall and winter. 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
Warm soils accelerate organic matter breakdown, so compost and mulch need replenishing more frequently than in cooler zones. Sandy soils common in warm zones drain quickly; water-retentive amendments like compost or peat help hold moisture.
Regional Context
Marion County closely matches the Texas average hardiness conditions.
Planning your lawn? View lawn care data for Marion 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.