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Boone County Soil Data

Boone County, Missouri

USDA SSURGO / PHZM

Avg pH

6.6

Texture

Silt Loam

Drainage

Subaqueous

Organic Matter

2.6%

Hydrologic Group

N/A

Data Story

About Soil in Boone County, Missouri

Near-Neutral Soil in Boone County

Boone County features an average pH of 6.61, which sits slightly above the national median of 6.5. While specific taxonomic data is limited, this pH level is nearly ideal for a wide variety of Missouri plants.

High Silt for Better Texture

The soil composition is dominated by 63.4% silt and 20.2% clay. This high silt content makes the earth feel smooth and enhances its ability to hold onto essential plant nutrients.

Water Retention Beats State Averages

The county's available water capacity of 0.196 inches per inch exceeds the state average of 0.183. Although the 2.59% organic matter is lower than the Missouri average, the soil remains highly productive with a score of 71.7.

Managing Saturated Soil Conditions

The dominant drainage is classified as subaqueous, implying that these soils often remain saturated or are located in low-lying areas. Proper site selection and raised beds can help mitigate drainage challenges for home gardeners.

Thriving in the Heart of Missouri

Hardiness zone 6b provides a long enough growing season for tomatoes, peppers, and various ornamental shrubs. The high water capacity ensures your garden stays hydrated even during dry summer spells.

Soil Composition

Silt Loam
Sand: 16.1%
Silt: 63.4%
Clay: 20.2%
Silt Loam

Soil pH

6.6pH
6.60506956935956
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

Subaqueous

Drainage class: Subaqueous

Soil Profile

Dominant texture: Silt 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.

Soil Amendment Products

Browse products to improve your soil health and lawn performance.

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Frequently Asked Questions

What type of soil does Boone County have?

Boone County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 16% sand, 63% silt, and 20% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Boone County's soil acidic or alkaline?

Boone County's soil has a pH of 6.6, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Boone County?

Boone County has a dominant drainage class of "Subaqueous." Moderate drainage allows adequate moisture retention while still permitting excess water to drain over time.

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

Based on Boone County's Silt Loam texture, pH of 6.6, and Subaqueous, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.

What USDA soil order is found in Boone County?

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

Soil & Planting Advisory: Boone County

Soil Verdict

Boone 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

Boone County closely matches the Missouri average hardiness conditions.

Other Counties in Missouri

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.