Trego County Soil Data
Trego County, Kansas
USDA SSURGO / PHZMAvg pH
7.5
Texture
Silt Loam
Drainage
N/A
Organic Matter
1.9%
Hydrologic Group
N/A
Data Story
About Soil in Trego County, Kansas
Alkaline Soils of Central Kansas
Trego County features an average pH of 7.55, which is significantly more alkaline than the national median of 6.5. While specific taxonomic data is limited, this high pH reflects the limestone-influenced geology of the region. Most local plants must be adapted to these non-acidic conditions.
Balanced Texture for Prairie Life
The soil composition is 51.1% silt and 22.4% clay, providing a stable structure for root systems. With 24.6% sand, the soil offers a bit more grit than its neighbors to the west. This mix ensures that the ground remains workable even after heavy Kansas rains.
Steady Moisture in Dry Times
Organic matter measures 1.86%, falling below both the state average of 2.22% and the national average of 2.0%. Despite lower organic levels, the available water capacity of 0.177 in/in nearly matches the state average. This provides a reliable reservoir for crops during the heat of summer.
Managing Water on the Surface
Official drainage and hydrologic group classifications are not available for this area. Local land managers should observe site-specific water movement to plan their drainage needs. Generally, the silty texture suggests moderate infiltration and standard runoff patterns.
Hardy Options for Zone 6a
Trego County sits in hardiness zone 6a, making it ideal for prairie-style gardens and grains. Success comes from choosing plants like sage, yarrow, or buffalo grass that handle alkaline soils with ease. Your landscape is ready for a low-water, high-impact garden.
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
Alkaline Soil Detected
Your county's average pH is 7.5. These products help acidify soil for better nutrient uptake.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Trego County have?
Trego County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 25% sand, 51% silt, and 22% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Trego County's soil acidic or alkaline?
Trego County's soil has a pH of 7.5, which is mildly to moderately alkaline. Sulfur amendments can lower pH if needed.
What is the drainage class for Trego County?
Drainage class data is not currently available for Trego County.
What crops or plants grow well in Trego County's soil?
Based on Trego County's Silt Loam texture, pH of 7.5, and drainage class, the soil is well suited for drought-tolerant crops and native grasses, row crops and vegetable gardens.
What USDA soil order is found in Trego County?
The dominant USDA soil order for Trego County is not currently available in our dataset.
Soil & Planting Advisory: Trego County
Soil Verdict
Trego 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
Trego County closely matches the Kansas 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 Trego County on LawnByCounty.com →
Other Counties in Kansas
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.