Smyth County Soil Data
Smyth County, Virginia
Avg pH
5.5
Texture
Loam
Drainage
N/A
Organic Matter
3.6%
Hydrologic Group
N/A
Data Story
About Soil in Smyth County, Virginia
Top-Tier Soils of Smyth County
With a soil score of 48.4, Smyth County boasts some of the highest quality soil in the Commonwealth. The average pH of 5.51 is significantly more balanced than the state average of 5.23, though it remains below the national 6.5 median. This taxonomic profile indicates a healthy, resilient foundation for local ecosystems.
The Perfect Texture for Farming
The soil contains 43.4% silt and 34.3% sand, creating a silty loam-like feel that is easy to till. A 19.2% clay fraction provides just enough structure to hold onto nutrients without sacrificing drainage. This blend is highly sought after for its versatility in both agriculture and landscaping.
Superior Water Storage Capacity
The available water capacity of 0.163 in/in is among the best in the state, far exceeding the 0.143 average. Organic matter is also high at 3.63%, providing a deep well of nutrients for crops. These factors combine to create a highly productive environment that resists drought better than neighboring areas.
Efficient Water Management
Though specific drainage classes aren't listed, the high silt and water capacity suggest a soil that manages moisture effectively. It captures rainfall efficiently for plant use rather than allowing immediate runoff. This makes Smyth County soils reliable for both small-scale gardens and large farms.
A Gardener’s Dream in 7a
The combination of high water capacity and 3.63% organic matter makes Smyth County a premier spot for gardening. These soils support a wide range of vegetables and fruit trees within Hardiness Zone 7a. Grab your shovel and start planting in one of Virginia's best-rated soil zones.
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 Smyth County have?
Smyth County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 34% sand, 43% silt, and 19% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Smyth County's soil acidic or alkaline?
Smyth County's soil has a pH of 5.5, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Smyth County?
Drainage class data is not currently available for Smyth County.
What crops or plants grow well in Smyth County's soil?
Based on Smyth County's Loam texture, pH of 5.5, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.
What USDA soil order is found in Smyth County?
The dominant USDA soil order for Smyth County is not currently available in our dataset.
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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.