Grayson County Soil Data
Grayson County, Texas
Avg pH
6.9
Texture
Fine sandy loam
Drainage
Well drained
Organic Matter
1.4%
Hydrologic Group
B
Data Story
About Soil in Grayson County, Texas
Fine sandy loam Alfisols provide stability
Grayson County features Alfisols with a fine sandy loam texture. The 6.92 pH level is nearly neutral, sitting between the 6.5 national median and the 7.09 state average.
Excellent balance for soil workability
The mix consists of 37.4% sand, 28.6% silt, and 28.0% clay. This balanced distribution makes the soil easier to plow and manage compared to heavier clay-dominant regions.
Healthy water storage for local crops
The 1.35% organic matter content is lower than the 1.66% state average. Despite this, a 32.9 soil score and 0.135 in/in water capacity indicate solid potential for North Texas agriculture.
Superior drainage for plant health
The soil is well drained and belongs to hydrologic group B. This allows water to move efficiently through the root zone, preventing the rot and aeration issues common in wetter soils.
Perfect for berries in zone 8a
Zone 8a conditions and well-drained loam are ideal for blackberries, blueberries, and roses. Grab your shovel and start a backyard patch this season.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group B — Moderate Runoff
Moderately deep, moderately well-drained soils with moderate infiltration rates. Good balance of drainage and water retention.
Drainage Class
Well drained
Water is removed from the soil readily but not rapidly. Optimal for most plants and construction.
Soil Profile
Dominant texture: Fine sandy loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Grayson County have?
Grayson County's soil is classified as Fine sandy loam. This indicates the relative proportions of sand, silt, and clay — 37% sand, 29% silt, and 28% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Grayson County's soil acidic or alkaline?
Grayson County's soil has a pH of 6.9, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Grayson County?
Grayson County has a dominant drainage class of "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 Grayson County's soil?
Based on Grayson County's Fine sandy loam texture, pH of 6.9, and 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 Grayson County?
Grayson 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.
Planning your lawn? View lawn care data for Grayson County on LawnByCounty.com →
Other Counties in Texas
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.