Orange County Soil Data
Orange County, Virginia
USDA SSURGO / PHZMAvg pH
5.3
Texture
Loam
Drainage
N/A
Organic Matter
1.6%
Hydrologic Group
N/A
Data Story
About Soil in Orange County, Virginia
Orange County's Acidic Profile
The average pH here is 5.32, sitting just above the state average but far below the national median of 6.5. This moderately acidic soil is a hallmark of the central Virginia landscape.
Silty and Stable Soils
Orange County has a balanced mix of 41.2% silt and 39.4% sand. The 19.4% clay content is higher than many coastal counties, offering better nutrient retention and structural stability.
Excellent Moisture Retention
The available water capacity is 0.161 in/in, outperforming the state average of 0.143. However, organic matter is low at 1.55%, suggesting that soil health could be improved with cover crops.
Reliable Water Storage
A high available water capacity means these soils are resilient during dry spells. The balanced silt and clay content helps prevent the rapid leaching of nutrients found in sandier regions.
Fruit and Vine Potential
The Zone 7a climate and silty soil are excellent for orchards and vineyards. Enrich your soil with organic material to create a robust foundation for a home garden.
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
Acidic Soil Detected
Your county's average pH is 5.3. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Orange County have?
Orange County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 39% sand, 41% silt, and 19% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Orange County's soil acidic or alkaline?
Orange County's soil has a low pH of 5.3, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Orange County?
Drainage class data is not currently available for Orange County.
What crops or plants grow well in Orange County's soil?
Based on Orange County's Loam texture, pH of 5.3, 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 Orange County?
The dominant USDA soil order for Orange County is not currently available in our dataset.
Soil & Planting Advisory: Orange County
Soil Verdict
Orange County is in USDA hardiness zone 7a, a moderate climate zone. where winter lows can reach 0°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. 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
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. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.
Regional Context
Orange County closely matches the Virginia average hardiness conditions.
Planning your lawn? View lawn care data for Orange County on LawnByCounty.com →
Other Counties in Virginia
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.