Worth County Soil Data
Worth County, Missouri
USDA SSURGO / PHZMAvg pH
6.1
Texture
Silt loam
Drainage
Moderately well drained
Organic Matter
3.2%
Hydrologic Group
D
Data Story
About Soil in Worth County, Missouri
High-performing Alfisols lead the way
Worth County's Alfisols boast a soil score of 71.9, placing it well above the Missouri state average of 64.2. Its 6.14 pH is slightly acidic compared to the 6.5 national median but remains higher than the state average of 6.09.
Classic silt loam for easy tilling
As a classic silt loam, this soil contains 55.1% silt and 25.0% clay, offering a heavy but fertile structure. The 19.9% sand content ensures the earth remains manageable for tilling while providing excellent nutrient retention.
Superior water storage for thirsty crops
The available water capacity of 0.202 in/in is superior to the Missouri average of 0.183, indicating a high potential for sustained growth. While the 3.20% organic matter is lower than the state average, it remains well above the 2.0% national benchmark.
Moderate drainage supports diverse agriculture
The county features moderately well-drained soil, providing a balanced environment for most agricultural and residential uses. Because it belongs to Hydrologic Group D, builders should expect slower water infiltration during heavy rain events.
A fertile haven for Zone 5b crops
This fertile silt loam is ideal for growing high-yield corn, soybeans, and hearty root vegetables in Hardiness Zone 5b. Start your garden today with confidence, as these nutrient-dense soils support some of the best growing conditions in the state.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group D — High Runoff
Clay soils with very slow infiltration rates. Highest runoff potential. These soils have a permanent high water table or are shallow over impervious material.
Drainage Class
Moderately well drained
Water is removed somewhat slowly. May have a slowly permeable layer or seasonal water table.
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 Worth County have?
Worth County's soil is classified as Silt loam. This indicates the relative proportions of sand, silt, and clay — 20% sand, 55% silt, and 25% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Worth County's soil acidic or alkaline?
Worth County's soil has a pH of 6.1, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Worth County?
Worth County has a dominant drainage class of "Moderately 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 Worth County's soil?
Based on Worth County's Silt loam texture, pH of 6.1, and Moderately 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 Worth County?
Worth 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: Worth County
Soil Verdict
Worth 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
Worth County is somewhat cooler than the Missouri statewide average.
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Other Counties in Missouri
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.