Cedar County Soil Data
Cedar County, Iowa
Avg pH
6.2
Texture
Silt Loam
Drainage
N/A
Organic Matter
3.4%
Hydrologic Group
N/A
Data Story
About Soil in Cedar County, Iowa
Cedar's Silty and Acidic Profile
Cedar County soil is more acidic than average, with a pH of 6.16 compared to the national median of 6.5. Its soil score of 65.6 is below the state average of 72.9, likely due to this higher acidity and lower organic content. This soil profile is characteristic of the loess-covered uplands found in eastern Iowa.
Dominated by Fine Silt
Cedar County features a massive 58.1% silt content, combined with 20.9% clay and 18.9% sand. This high silt percentage gives the soil a floury texture and makes it highly susceptible to erosion if not covered by vegetation. It is a 'soft' soil that roots can easily penetrate, but it requires careful management to prevent crusting.
Reliable Organic Matter and Moisture
The soil contains 3.43% organic matter, which is healthy compared to the 2.0% national average despite being below the Iowa average of 3.81%. Its available water capacity of 0.185 in/in provides a solid foundation for plant hydration. It is a capable soil that responds very well to the addition of compost or organic mulches.
Managing the Fine Silts
Though specific drainage data is unavailable, the high silt and moderate clay levels suggest moderate to slow permeability. The soil is likely to hold moisture well but can become saturated if local drainage is poor. For gardeners, raised beds may be a good option to help manage the fine texture and ensure proper aeration.
Zone 5a Gardening in Cedar
In Zone 5a, Cedar County’s silty soil is fantastic for growing legumes and grains that don't mind a slightly more acidic environment. The fine texture is easy for young seedlings to push through in the spring. Start your garden today and enjoy the easy-working nature of these eastern Iowa silts.
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: Silt Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Cedar County have?
Cedar County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 19% sand, 58% silt, and 21% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Cedar County's soil acidic or alkaline?
Cedar County's soil has a pH of 6.2, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Cedar County?
Drainage class data is not currently available for Cedar County.
What crops or plants grow well in Cedar County's soil?
Based on Cedar County's Silt Loam texture, pH of 6.2, 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 Cedar County?
The dominant USDA soil order for Cedar County is not currently available in our dataset.
Planning your lawn? View lawn care data for Cedar 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.