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Cerro Gordo County Soil Data

Cerro Gordo County, Iowa

USDA SSURGO / PHZM

Avg pH

6.7

Texture

Loam

Drainage

N/A

Organic Matter

5.3%

Hydrologic Group

N/A

Data Story

About Soil in Cerro Gordo County, Iowa

Alkaline Leaning Soils in Cerro Gordo

The county maintains an average pH of 6.68, which is slightly more alkaline than the national median of 6.5 and the Iowa state average of 6.43. While specific taxonomic data for this region is currently unclassified, the overall soil health is strong with a score of 77.2.

A Balanced Blend of Silt and Sand

The soil features a mix of 40.5% silt and 34.9% sand, providing a texture that balances aeration with structure. A clay content of 22.7% helps the ground hold onto essential minerals without becoming overly compacted.

Exceptional Organic Matter Levels

Organic matter in this county reaches a high of 5.31%, far exceeding the state average of 3.81%. Although the available water capacity of 0.193 in/in is just below the state benchmark, the high nutrient levels make for very productive land.

Reliable Water Movement

Official drainage and hydrologic classifications are currently unspecified for this county in national records. However, the significant sand and silt concentrations typically suggest the soil moves water efficiently through the root zone.

Prime for Zone 5a Gardening

Located in hardiness zone 5a, this soil is ideal for cool-weather staples like brassicas and root vegetables. Take advantage of the high organic fertility and start your home garden this season.

Soil Composition

Loam
Sand: 34.9%
Silt: 40.5%
Clay: 22.7%
Loam

Soil pH

6.7pH
6.67784583055549
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.

Soil Amendment Products

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Frequently Asked Questions

What type of soil does Cerro Gordo County have?

Cerro Gordo County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 35% sand, 40% silt, and 23% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Cerro Gordo County's soil acidic or alkaline?

Cerro Gordo County's soil has a pH of 6.7, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Cerro Gordo County?

Drainage class data is not currently available for Cerro Gordo County.

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

Based on Cerro Gordo County's Loam texture, pH of 6.7, 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 Cerro Gordo County?

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

Soil & Planting Advisory: Cerro Gordo County

Soil Verdict

Cerro Gordo County is in USDA hardiness zone 5a, a cold climate zone. where winter lows can reach -20°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. With extreme winter lows, any marginally hardy plants need heavy mulch and wind protection. 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

Cerro Gordo County closely matches the Iowa average hardiness conditions.

Other Counties in Iowa

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.