Winnebago County Soil Data
Winnebago County, Iowa
Avg pH
6.5
Texture
Loam
Drainage
N/A
Organic Matter
8.1%
Hydrologic Group
N/A
Data Story
About Soil in Winnebago County, Iowa
The Gold Standard of Soil pH
Winnebago County features an average pH of 6.54, almost perfectly matching the national median of 6.5. This optimal balance allows for maximum availability of phosphorus, nitrogen, and potassium. It is the ideal chemical environment for a high-yielding farm or garden.
Grainy Texture with Strong Foundation
The soil contains 34.6% sand and 37.8% silt, creating a texture that resists compaction and allows for easy root penetration. With 23.5% clay, the soil still possesses the necessary structure to retain moisture and support large plants. This mix is highly desirable for its workability and physical health.
Incredible Organic Richness
At a massive 8.09% organic matter, Winnebago County's soil is more than double the Iowa state average of 3.81%. The available water capacity is also high at 0.202 in/in, surpassing the state's 0.195 benchmark. This is world-class soil that offers nearly unparalleled growing potential.
Robust Hydrology for Productive Lands
The combination of high organic matter and balanced sand content suggests excellent water movement and storage. While specific drainage classes are unavailable, this soil is built to handle heavy rainfall while maintaining air pockets for roots. It is a resilient landscape that supports both agriculture and local ecosystems.
Abundance in Hardiness Zone 5a
Though the winters are cold in Zone 5a, the summer growth in this soil is explosive. This is an elite environment for growing high-quality root vegetables like carrots and potatoes. Take advantage of this extraordinary fertility and start your most ambitious garden yet.
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 Winnebago County have?
Winnebago County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 35% sand, 38% silt, and 24% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Winnebago County's soil acidic or alkaline?
Winnebago County's soil has a pH of 6.5, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Winnebago County?
Drainage class data is not currently available for Winnebago County.
What crops or plants grow well in Winnebago County's soil?
Based on Winnebago County's Loam texture, pH of 6.5, 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 Winnebago County?
The dominant USDA soil order for Winnebago County is not currently available in our dataset.
Planning your lawn? View lawn care data for Winnebago County on LawnByCounty.com →
Other Counties in Iowa
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.