Muscatine County Soil Data
Muscatine County, Iowa
USDA SSURGO / PHZMAvg pH
6.2
Texture
Silt loam
Drainage
Well drained
Organic Matter
3.7%
Hydrologic Group
B
Data Story
About Soil in Muscatine County, Iowa
Alfisols and Silt Loams of Muscatine
Muscatine County is primarily composed of silt loam soils belonging to the Alfisol order, which often form under forest cover. The average pH of 6.24 is more acidic than the national median of 6.5. These soils are historically productive but may require pH monitoring for optimal nutrient availability.
Sandy Influence Improves Soil Texture
The soil features a mix of 53.4% silt and 24.4% sand, with 20.2% clay. This higher sand content compared to many Iowa neighbors improves aeration and makes the soil easier to till. It offers a versatile surface for both traditional farming and specialized horticulture.
Strong Organic Matter Levels
At 3.70%, the organic matter content is nearly on par with the state average of 3.81% and far exceeds the national average of 2.0%. The available water capacity of 0.189 in/in is slightly below the state benchmark of 0.195 in/in. This indicates a fertile soil that may need a little extra water during peak summer heat.
Well Drained Group B Soils
The county's soils are categorized as well drained and belong to hydrologic group B. This is an ideal combination for most uses, as it allows water to move freely and reduces the risk of root rot. It is particularly well-suited for building sites and diverse gardening projects.
Zone 5b: A Gardener's Paradise
In Zone 5b, Muscatine County is famous for its melons and diverse vegetable production. The well-drained silt loam is also perfect for establishing fruit orchards or vibrant flower beds. Get outside and plant something today in this highly adaptable and well-draining soil.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group B — Moderate Runoff
Moderately deep, moderately well-drained soils with moderate infiltration rates. Good balance of drainage and water retention.
Drainage Class
Well drained
Water is removed from the soil readily but not rapidly. Optimal for most plants and construction.
Soil Profile
Dominant texture: Silt loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Muscatine County have?
Muscatine County's soil is classified as Silt loam. This indicates the relative proportions of sand, silt, and clay — 24% sand, 53% silt, and 20% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Muscatine County's soil acidic or alkaline?
Muscatine 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 Muscatine County?
Muscatine County has a dominant drainage class of "Well drained." Well-drained soils allow excess water to move through quickly, reducing waterlogging risk and supporting most field and garden crops.
What crops or plants grow well in Muscatine County's soil?
Based on Muscatine County's Silt loam texture, pH of 6.2, and Well drained, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens, most annual and perennial crops.
What USDA soil order is found in Muscatine County?
Muscatine County's dominant soil order is Alfisols. Alfisols are moderate to high base-status soils with a clay-enriched subsoil. They support productive forests and cropland across temperate regions.
Soil & Planting Advisory: Muscatine County
Soil Verdict
Muscatine County is in USDA hardiness zone 5b, a cold climate zone. where winter lows can reach -15°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
Muscatine County closely matches the Iowa average hardiness conditions.
Planning your lawn? View lawn care data for Muscatine 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.