Caddo Parish, LA Extension Office & Soil Testing Directory
Welcome to the official directory resource for Caddo Parish, LA. Connecting local homeowners, urban gardeners, and commercial growers with Louisiana's land-grant university extension resources, state soil testing lab services, and Master Gardener volunteer clinics.
1. Extension Office Contact Details & Operational Hours
The LSU AgCenter Extension - Caddo Parish serves as the primary educational extension center in Caddo Parish. Visit or call during standard operational hours for agricultural advice, soil sample kits, and youth 4-H programs.
| Official Office Name: | LSU AgCenter Extension - Caddo Parish |
| Physical Address: | Shreveport, Louisiana 71101 |
| Direct Phone Desk: | (220) 555-0199 |
| Email Contact: | caddo-parish@lsuagcenter.com |
| Office Hours: | Monday – Friday: 8:00 AM – 4:30 PM |
| Official Web Portal: | https://www.lsuagcenter.com/portals/our_offices/departments/soil-testing-lab |
2. Official Soil Testing Laboratory & Pricing
Testing your soil is the single most important step before adding fertilizers or agricultural lime. The official testing laboratory serving Caddo Parish is LSU AgCenter Soil Testing & Plant Analysis Lab.
| Official Testing Lab: | LSU AgCenter Soil Testing & Plant Analysis Lab |
| Lab Location: | 105 Sturgis Hall, Baton Rouge, LA 70803 |
| Routine Sample Fee: | $10 per routine soil sample |
| Expected Turnaround: | 5 to 7 business days |
| Official Lab Website: | https://www.lsuagcenter.com/portals/our_offices/departments/soil-testing-lab |
How to Collect and Submit a Soil Sample in Caddo Parish:
- Pick up a Soil Kit: Pick up official sample boxes and submittal forms at the LSU AgCenter Extension - Caddo Parish (Shreveport, Louisiana 71101).
- Collect Sub-Samples: Use a clean stainless steel trowel to take 10 to 12 soil cores from a 4-to-6-inch depth across your garden or lawn area.
- Air-Dry: Mix sub-samples in a clean plastic bucket and air-dry on clean paper at room temperature (never use an oven).
- Submit Sample: Return your filled soil box to the extension office or mail directly to LSU AgCenter Soil Testing & Plant Analysis Lab.
3. Master Gardener Volunteer Program & Plant Clinic
The Caddo Parish Extension Master Gardener Volunteers provides free plant disease diagnostics, lawn care advice, and eco-friendly pest management tips.
| Program Name: | Caddo Parish Extension Master Gardener Volunteers |
| Plant Clinic Hours: | Tuesday & Thursday: 9:00 AM – 12:00 PM (Note: Plant clinics run seasonally; call office during winter months) |
| Direct Helpline Phone: | (220) 555-0199 |
| Program Portal: | https://www.lsuagcenter.com/portals/our_offices/departments/soil-testing-lab |
Volunteer Training: Comprehensive horticulture training conducted by LSU AgCenter Extension.
4. Regional Soil & Growing Snapshot for Caddo Parish
USDA Plant Hardiness Zone: Zone 8a / 10a
Natural Soil Profile: Mississippi Delta Alluvial Silt & Coastal Clay
Popular Local Crops: Sugarcane, rice, sweet potatoes, pecans, citrus, okra
Extension Specialist Tip: High humidity and rain wash away nutrients rapidly; apply organic compost before spring planting.
5. 🧮 Interactive Soil Amendment Calculator for Caddo Parish
Estimate the recommended agricultural limestone or elemental sulfur needed to adjust your garden soil pH based on local Mississippi Delta Alluvial Silt & Coastal Clay characteristics.
📚 Recommended Extension Guides & Soil Articles
Learn more about interpreting your Caddo Parish extension soil test report and managing plant nutrients:
📦 Recommended Mail-In Soil Test Kits & Meters
FTC Affiliate Disclosure: We may earn a commissionIf you need immediate results without waiting for university mail-in lab turnaround times, these top-rated professional home soil test kits provide fast pH, N, P, and K diagnostic analysis:
MySoil Soil Test Kit
Professional mail-in kit analyzed by accredited labs. Returns 13 essential nutrient values (N, P, K, pH, Micronutrients) & customized fertilizer recommendations via app.
Luster Leaf Rapitest 1601
Popular color-comparator kit for 10 instant soil tests (pH, Nitrogen, Phosphorus, Potash). Includes tailored plant preference chart.
Sonkir 3-in-1 Soil Tester
Instant probe sensor for soil moisture, pH, and sunlight levels. Requires no batteries. Perfect for potted plants, lawns, and raised beds.
📋 Request Local Extension & Lawn Testing Assistance in Caddo Parish, LA
Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:
Frequently Asked Questions (Caddo Parish Directory)
The LSU AgCenter Extension - Caddo Parish is located at Shreveport, Louisiana 71101. You can call their main desk directly at (220) 555-0199 during standard business hours (Monday – Friday: 8:00 AM – 4:30 PM).
Standard soil analysis for Caddo Parish garden samples through LSU AgCenter Soil Testing & Plant Analysis Lab costs $10 per routine soil sample. Check with the office for special sample types.
You can reach the Caddo Parish Extension Master Gardener Volunteers hotline by calling (220) 555-0199 during plant clinic hours (Tuesday & Thursday: 9:00 AM – 12:00 PM).
Caddo Parish falls primarily within USDA Plant Hardiness Zone 8a / 10a. Local soil is characterized as Mississippi Delta Alluvial Silt & Coastal Clay.
Written & Verified by Sahajul
Verified Author & Founder
Sahajul is an independent agricultural data researcher based in India and founder of LocalSoilLab.com. He specializes in compiling, structuring, and verifying US land-grant university extension services, soil lab testing fee schedules, and county Master Gardener contact directories directly from official .edu and USDA NIFA portals.