Union County Soil Data
Union County, Georgia
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Union County, Georgia
High Altitude Mountain Soil
Soil pH and taxonomic data are not available for Union County in this dataset. Most mountain soils here are moderately acidic due to the weathering of metamorphic rock.
Loamy Textures and Steep Terrains
Specific sand and silt measurements are currently missing. Loamy textures are common in this region, offering more balanced drainage than the sandy soils of South Georgia.
Fertility in the Blue Ridge
Organic matter data is not recorded for this county compared to the 1.83% state average. Cool mountain air often slows the breakdown of organic material, helping maintain soil health.
Rapid Drainage on the Slopes
Drainage classifications are not provided for the county. The steep terrain generally ensures that surface water moves quickly, though valley floors can stay quite damp.
Cool Nights and Garden Greens
Hardiness Zone 7b provides the perfect environment for cabbage, kale, and root vegetables. Start your garden and take advantage of the refreshing climate and rich mountain views.
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 Union County have?
Union 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 Union County's soil acidic or alkaline?
pH data is not available for Union County.
What is the drainage class for Union County?
Drainage class data is not currently available for Union County.
What crops or plants grow well in Union County's soil?
Based on Union 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 Union County?
The dominant USDA soil order for Union County is not currently available in our dataset.
Soil & Planting Advisory: Union County
Soil Verdict
Union County is in USDA hardiness zone 7b, a moderate climate zone. where winter lows can reach 5°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
Union County is somewhat cooler than the Georgia statewide average.
Planning your lawn? View lawn care data for Union County on LawnByCounty.com →
Other Counties in Georgia
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.