LaSalle Parish Soil Data
LaSalle Parish, Louisiana
USDA SSURGO / PHZMAvg pH
5.3
Texture
Loam
Drainage
N/A
Organic Matter
2.0%
Hydrologic Group
N/A
Data Story
About Soil in LaSalle Parish, Louisiana
Acidic upland soils
LaSalle Parish has an average pH of 5.32, making it significantly more acidic than the national median of 6.5. This pH level is also below the Louisiana state average of 5.74, often requiring lime for traditional vegetable gardening.
Balanced loamy soil mix
The soil composition is fairly balanced with 43.3% silt, 33.1% sand, and 23.6% clay. This mixture generally offers a good compromise between drainage speed and nutrient retention for various uses.
Moderate water capacity
With 1.99% organic matter, LaSalle is right at the national average but well below the 6.38% state average. The available water capacity of 0.176 in/in is slightly below the state average of 0.182 in/in.
Variable drainage and flow
The balanced mix of sand and clay suggests moderate drainage capabilities throughout the parish. Without specific hydrologic data, the loamy texture implies the soil is resilient to both compaction and drought.
Resilient gardening in Zone 8b
Zone 8b supports a wide range of hardy vegetables and perennials. Because of the acidic pH, gardeners should test their soil before planting to ensure the best results for their specific crops.
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: Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Acidic Soil Detected
Your county's average pH is 5.3. These products help balance soil pH for healthier grass.
Browse Soil AmendmentsFrequently Asked Questions
What type of soil does LaSalle Parish have?
LaSalle Parish's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 33% sand, 43% silt, and 24% clay. Loamy soils hold moisture well and support a wide range of plants.
Is LaSalle Parish's soil acidic or alkaline?
LaSalle Parish's soil has a low pH of 5.3, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for LaSalle Parish?
Drainage class data is not currently available for LaSalle Parish.
What crops or plants grow well in LaSalle Parish's soil?
Based on LaSalle Parish's Loam texture, pH of 5.3, and drainage class, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens.
What USDA soil order is found in LaSalle Parish?
The dominant USDA soil order for LaSalle Parish is not currently available in our dataset.
Soil & Planting Advisory: LaSalle Parish
Soil Verdict
LaSalle Parish is in USDA hardiness zone 8b, a warm climate zone. where winter lows can reach 15°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
LaSalle Parish is somewhat cooler than the Louisiana statewide average.
Planning your lawn? View lawn care data for LaSalle Parish on LawnByCounty.com →
Other Counties in Louisiana
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.