Will County Soil Data
Will County, Illinois
USDA SSURGO / PHZMAvg pH
6.6
Texture
Silt Loam
Drainage
N/A
Organic Matter
4.9%
Hydrologic Group
N/A
Data Story
About Soil in Will County, Illinois
Near-Neutral Soils in Will County
Will County stands out with a pH of 6.56, making it more neutral than the state average of 6.39. This level actually sits slightly above the national median of 6.5. This chemical balance makes the soil highly adaptable for a wide variety of plant species without needing lime.
Dense Mix with High Nutrient Retention
The soil includes 51.7% silt and 22.6% clay, creating a heavy structure that holds nutrients effectively. Sand accounts for 23.1% of the profile, which helps maintain some level of aeration. This combination results in a soil that is sturdy and resistant to nutrient leaching.
Strong Organic Foundation
Organic matter is robust at 4.94%, significantly outperforming the state average of 2.94%. Although the water capacity of 0.193 in/in is slightly below the state mean, the high organic content keeps the soil fertile. The county earns an impressive soil score of 79.6.
Adaptable Land for Modern Use
Dominant drainage classes and hydrologic groups are not specified in the current dataset. However, the high clay content suggests the soil retains moisture well but may require drainage tiles in agricultural settings. These soils provide a stable foundation for the county's rapid development.
Versatile Planting in Zone 6a
Hardiness Zone 6a allows for a diverse range of ornamental trees and edible crops. This near-neutral pH is a dream for gardeners wanting to grow everything from tomatoes to flowering shrubs. Your garden will thrive in this nutrient-rich, dark Midwestern soil.
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
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Will County have?
Will County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 23% sand, 52% silt, and 23% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Will County's soil acidic or alkaline?
Will County's soil has a pH of 6.6, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Will County?
Drainage class data is not currently available for Will County.
What crops or plants grow well in Will County's soil?
Based on Will County's Silt Loam texture, pH of 6.6, 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 Will County?
The dominant USDA soil order for Will County is not currently available in our dataset.
Soil & Planting Advisory: Will County
Soil Verdict
Will County is in USDA hardiness zone 6a, a moderate climate zone. where winter lows can reach -10°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
Will County closely matches the Illinois average hardiness conditions. The zone range of 5b-6a within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Will County on LawnByCounty.com →
Other Counties in Illinois
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.