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Gilmer County Soil Data

Gilmer County, West Virginia

USDA SSURGO / PHZM

Avg pH

6.0

Texture

Loam

Drainage

N/A

Organic Matter

6.1%

Hydrologic Group

N/A

Data Story

About Soil in Gilmer County, West Virginia

Above Average Soil Health

Gilmer County features an average pH of 5.99, which is significantly higher than the West Virginia state average of 5.25. This moderately acidic profile makes it easier for plants to access essential nutrients compared to neighboring counties. The county earns an overall soil score of 61.8, placing it well above the state benchmark of 49.2.

A Silty Foundation

The soil composition is primarily silt (48.2%), balanced by 26.0% sand and 19.9% clay. This mix provides a good middle ground for workability, as the silt prevents the soil from becoming as hard as pure clay when dry. It offers enough sand to prevent total compaction while retaining the structural benefits of silt.

Superior Water Retention

With 6.11% organic matter, the soil is far richer than the national average of 2.0%, though it lags behind the state's high mark of 21.03%. However, its available water capacity of 0.162 in/in exceeds the state average of 0.142. This means the soil is exceptionally good at holding onto moisture for crops during dry spells.

Stable Moisture Management

While the specific drainage class is not listed, the high silt and clay content suggests the soil retains moisture effectively. The water capacity of 0.162 in/in implies that the soil acts as a sponge, slowing down runoff and reducing the need for constant irrigation. This stability is an asset for both small farms and rural construction projects.

Gardening Success in Zone 6b

Gilmer County's position in Zone 6b allows for a productive season of tomatoes, peppers, and orchard fruits. The higher-than-average soil score suggests that this land is more forgiving than many other parts of the state. It is an excellent place to start a homestead or an ambitious community garden.

Soil Composition

Loam
Sand: 26.0%
Silt: 48.2%
Clay: 19.9%
Loam

Soil pH

6.0pH
5.99047620165479
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

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

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Acidic Soil Detected

Your county's average pH is 6.0. These products help balance soil pH for healthier grass.

Browse Soil Amendments

Frequently Asked Questions

What type of soil does Gilmer County have?

Gilmer County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 26% sand, 48% silt, and 20% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Gilmer County's soil acidic or alkaline?

Gilmer County's soil has a pH of 6.0, which is moderately acidic. This range suits many crops and is common across much of the eastern US.

What is the drainage class for Gilmer County?

Drainage class data is not currently available for Gilmer County.

What crops or plants grow well in Gilmer County's soil?

Based on Gilmer County's Loam texture, pH of 6.0, 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 Gilmer County?

The dominant USDA soil order for Gilmer County is not currently available in our dataset.

Soil & Planting Advisory: Gilmer County

Soil Verdict

Gilmer County is in USDA hardiness zone 6b, a moderate climate zone. where winter lows can reach -5°F. Freeze-thaw cycles are moderate; soil biology slows in winter but recovers reliably in spring, supporting a broad range of plants.

Planting Guidance

A wide plant palette is possible: deciduous trees, most shrubs, cool-season vegetables, and many perennials thrive here. 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

Moderate freeze-thaw cycles naturally aerate the soil but can also cause compaction in clay-heavy areas; annual core aeration is beneficial. Organic matter amendments decompose at a moderate pace — aim for 3-5% organic content for optimal fertility. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Gilmer County closely matches the West Virginia average hardiness conditions.

Other Counties in West Virginia

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.