Christian County Soil Data
Christian County, Illinois
USDA SSURGO / PHZMAvg pH
6.5
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.8%
Hydrologic Group
N/A
Data Story
About Soil in Christian County, Illinois
The Gold Standard of Illinois Soil
Christian County features an ideal pH of 6.50, matching the national median perfectly and sitting slightly higher than the state average. This neutral acidity level is considered the 'sweet spot' for nutrient availability and microbial activity. This balance contributes to the county's impressive soil score of 81.2, one of the highest in the region.
Silky Texture with Minimal Sand
The soil is composed of a massive 66.1% silt and 23.1% clay, leaving only 10.8% for sand. This high silt content makes the soil exceptionally smooth and fertile, though it requires careful management to avoid surface crusting. It is highly efficient at holding onto fertilizers, reducing the need for intensive chemical inputs compared to sandier counties.
Leading the State in Water Storage
With an available water capacity of 0.212 in/in, Christian County outperforms the state average of 0.204 in/in. Organic matter sits at a healthy 2.79%, providing a strong foundation for plant health and soil structure. These metrics mean your plants have better access to moisture and nutrients than in almost any neighboring county.
Superior Hydrologic Performance
Though formal hydrologic groups are not listed in recent data, the high water capacity of 0.212 in/in suggests a soil that acts like a sponge. This prevents rapid runoff during heavy storms, protecting local watersheds and keeping moisture where plants need it most. For builders, this signifies a soil that stays moist and may expand slightly depending on local clay pockets.
Perfect Conditions for Zone 6a Gardening
In Zone 6a, Christian County is an agricultural gem where sweet corn, melons, and leafy greens flourish. The 6.50 pH and high water capacity mean your garden will be more resilient to the stresses of a hot Illinois summer. It is an ideal time to plant a vegetable patch, as your soil is statistically among the best in the state.
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 Christian County have?
Christian County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 11% sand, 66% silt, and 23% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Christian County's soil acidic or alkaline?
Christian County's soil has a pH of 6.5, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Christian County?
Drainage class data is not currently available for Christian County.
What crops or plants grow well in Christian County's soil?
Based on Christian County's Silt 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 Christian County?
The dominant USDA soil order for Christian County is not currently available in our dataset.
Soil & Planting Advisory: Christian County
Soil Verdict
Christian 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
Christian County closely matches the Illinois average hardiness conditions. The zone range of 6a-6b within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Christian 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.