Costilla County Soil Data
Costilla County, Colorado
Avg pH
6.8
Texture
Sandy Loam
Drainage
N/A
Organic Matter
14.4%
Hydrologic Group
N/A
Data Story
About Soil in Costilla County, Colorado
Superior High-Altitude Soil
Costilla County earns an impressive soil score of 61.6, nearly double the state average of 31.3. The average pH of 6.77 is very close to the ideal national median of 6.5. This makes the soil significantly more neutral and plant-friendly than most of Colorado.
Sandy Loam Advantages
The soil consists of 54.3% sand, 24.8% silt, and 13.2% clay. This sand-heavy mix provides excellent drainage and ease of cultivation for farmers. It balances structural stability with the ability to warm up quickly in the spring sun.
Elite Organic Matter Levels
The soil contains a staggering 14.38% organic matter, far exceeding the state average of 2.18%. While the available water capacity is 0.130 in/in, the rich nutrient profile supports robust plant growth. This creates one of the most fertile foundations in the entire state.
Fast-Draining Valley Floors
The high sand content ensures that the soil is naturally well-draining, preventing root rot and ponding. While specific hydrologic groups are not listed, the physical composition favors efficient water movement. This is ideal for crops that require aeration and consistent moisture access.
Vibrant High-Valley Gardens
Belonging to USDA Hardiness Zone 5b, this county is perfect for growing diverse cool-season crops. The exceptional fertility makes it an ideal spot for heirloom vegetables and productive orchards. Start your garden today to take advantage of this rare, nutrient-dense 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: Sandy Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Costilla County have?
Costilla County's soil is classified as Sandy Loam. This indicates the relative proportions of sand, silt, and clay — 54% sand, 25% silt, and 13% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Costilla County's soil acidic or alkaline?
Costilla County's soil has a pH of 6.8, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Costilla County?
Drainage class data is not currently available for Costilla County.
What crops or plants grow well in Costilla County's soil?
Based on Costilla County's Sandy Loam texture, pH of 6.8, 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 Costilla County?
The dominant USDA soil order for Costilla County is not currently available in our dataset.
Planning your lawn? View lawn care data for Costilla County on LawnByCounty.com →
Other Counties in Colorado
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.