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Leavenworth County Soil Data

Leavenworth County, Kansas

USDA SSURGO / PHZM

Avg pH

6.4

Texture

Silt Loam

Drainage

N/A

Organic Matter

2.6%

Hydrologic Group

N/A

Data Story

About Soil in Leavenworth County, Kansas

Ideal Acidity in Leavenworth

Leavenworth County boasts a soil pH of 6.38, which is very close to the national ideal of 6.5. This slightly acidic to neutral range is perfect for most garden vegetables and row crops. It sits comfortably near the state average, providing a versatile chemical environment for diverse plant life.

Rich Silt and Clay Mix

The county's soil is composed of 52.1% silt and 25.2% clay, with a smaller sand fraction of 21.3%. This mix creates a soil that is capable of holding significant nutrients and moisture. While it may feel heavy underfoot, it offers the structural integrity needed for healthy plant development.

High Organic Matter and Capacity

Leavenworth excels in fertility with an organic matter content of 2.56%, surpassing both the national and state averages. The available water capacity of 0.182 in/in is also above the state benchmark of 0.180. These figures translate to highly productive land that responds well to sustainable farming.

Stable Hydrology for Growing

With a high overall soil score of 65.4, the hydrology here is generally supportive of intensive agriculture. Although specific drainage class data is missing, the balanced composition suggests moderate permeability. This makes the county a reliable choice for both gardening and larger-scale building projects.

Vibrant Gardening in Zone 6b

Hardiness Zone 6b allows for a wide variety of plantings, from leafy greens to orchard fruits. The combination of high organic matter and ideal pH means your garden will require less intervention to thrive. Start a backyard plot today to take advantage of some of the best soil in the state.

Soil Composition

Silt Loam
Sand: 21.3%
Silt: 52.1%
Clay: 25.2%
Silt Loam

Soil pH

6.4pH
6.38176109345333
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: 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

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Frequently Asked Questions

What type of soil does Leavenworth County have?

Leavenworth County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 21% sand, 52% silt, and 25% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Leavenworth County's soil acidic or alkaline?

Leavenworth County's soil has a pH of 6.4, which is moderately acidic. This range suits many crops and is common across much of the eastern US.

What is the drainage class for Leavenworth County?

Drainage class data is not currently available for Leavenworth County.

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

Based on Leavenworth County's Silt Loam texture, pH of 6.4, 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 Leavenworth County?

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

Soil & Planting Advisory: Leavenworth County

Soil Verdict

Leavenworth 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

Leavenworth County closely matches the Kansas average hardiness conditions.

Other Counties in Kansas

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.