Platte County Soil Data
Platte County, Missouri
Avg pH
6.5
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.4%
Hydrologic Group
N/A
Data Story
About Soil in Platte County, Missouri
Perfectly Balanced pH in Platte
Platte County hits the national sweet spot with an average pH of 6.52, almost identical to the national median of 6.5. This balanced acidity facilitates optimal nutrient uptake for most agricultural and garden plants. It is one of the most chemically balanced soil profiles in the state.
Silt-Dominant Heavy Loams
The soil is predominantly silt at 64.6%, complemented by 24.3% clay and just 10.2% sand. This creates a heavy, nutrient-dense base that holds together well under active cultivation. The low sand content means the soil stays cool and moist longer than sandier neighbors.
Strong Water Retention Capabilities
Organic matter sits at 2.35%, exceeding the national average of 2.0% but trailing the Missouri state average of 4.74%. However, the available water capacity of 0.200 in/in is robust, surpassing the state benchmark of 0.183 in/in. This provides a significant buffer against short-term drought conditions.
Managing Dense Soil Drainage
Specific drainage and hydrologic classifications are not currently documented in this dataset for Platte County. However, the heavy silt and clay mix typically implies slower percolation and potential for surface runoff. Local gardeners should monitor how their plots handle heavy Missouri thunderstorms.
A Premier Spot for Zone 6b
Zone 6b offers a long growing season for tomatoes, peppers, and hardy orchard fruits. The balanced pH and superior water capacity make Platte County a premier location to establish a productive backyard plot. Start your seeds early to make the most of this exceptional 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
Frequently Asked Questions
What type of soil does Platte County have?
Platte County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 10% sand, 65% silt, and 24% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Platte County's soil acidic or alkaline?
Platte County's soil has a pH of 6.5, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Platte County?
Drainage class data is not currently available for Platte County.
What crops or plants grow well in Platte County's soil?
Based on Platte 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 Platte County?
The dominant USDA soil order for Platte County is not currently available in our dataset.
Planning your lawn? View lawn care data for Platte County on LawnByCounty.com →
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.