Luna County Soil Data
Luna County, New Mexico
USDA SSURGO / PHZMAvg pH
7.4
Texture
Loam
Drainage
N/A
Organic Matter
0.7%
Hydrologic Group
D
Data Story
About Soil in Luna County, New Mexico
Alkaline Soils of Luna County
Luna County soils feature an average pH of 7.44, which is significantly more alkaline than the national median of 6.5. This high mineral content is characteristic of the Chihuahuan Desert landscape and influences how local plants absorb nutrients.
A Balanced Sand-Heavy Mix
The soil composition is 49.0% sand, 27.8% silt, and 17.8% clay. This gritty texture ensures the ground is easy to work and provides adequate space for root development, though it may require frequent watering.
Building Organic Life in Arid Land
With organic matter at 0.73%, Luna falls below the state average of 1.27% and the national 2.0% benchmark. The available water capacity of 0.114 in/in is also slightly lower than the New Mexico average, highlighting the need for soil amendments.
Understanding Runoff and Slow Infiltration
Classified in hydrologic group D, these soils have a very slow infiltration rate when thoroughly wet. While specific drainage classes are not listed, this grouping suggests a higher potential for runoff during heavy monsoon rains.
Desert Favorites Thrive in Zone 8a
Situated in hardiness zone 8a, Luna County is ideal for heat-tolerant crops like pecans and chile peppers. Gardeners can find great success by adding compost to help the soil retain moisture during the long, hot growing season.
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
Drainage class data not available.
Soil Profile
Dominant texture: Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
Browse products to improve your soil health and lawn performance.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Luna County have?
Luna County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 49% sand, 28% silt, and 18% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Luna County's soil acidic or alkaline?
Luna County's soil has a pH of 7.4, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Luna County?
Drainage class data is not currently available for Luna County.
What crops or plants grow well in Luna County's soil?
Based on Luna County's Loam texture, pH of 7.4, 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 Luna County?
The dominant USDA soil order for Luna County is not currently available in our dataset.
Soil & Planting Advisory: Luna County
Soil Verdict
Luna County is in USDA hardiness zone 8a, a warm climate zone. where winter lows can reach 10°F. Mild winters mean soil rarely freezes deeply, allowing year-round microbial activity and faster organic matter breakdown.
Planting Guidance
Warm-season crops, citrus relatives, and heat-loving ornamentals do well. Cool-season vegetables should be planted in fall and winter. 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
Warm soils accelerate organic matter breakdown, so compost and mulch need replenishing more frequently than in cooler zones. Sandy soils common in warm zones drain quickly; water-retentive amendments like compost or peat help hold moisture.
Regional Context
Luna County is somewhat warmer than the New Mexico statewide average.
Planning your lawn? View lawn care data for Luna County on LawnByCounty.com →
Other Counties in New Mexico
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.