Jefferson County, AL Extension Office & Soil Testing Directory
Welcome to the official directory resource for Jefferson County, AL. Connecting local homeowners, urban gardeners, and commercial growers with Alabama's land-grant university extension resources, state soil testing lab services, and Master Gardener volunteer clinics.
1. Extension Office Contact Details & Operational Hours
The Alabama Cooperative Extension - Jefferson County serves as the primary educational extension center in Jefferson County. Visit or call during standard operational hours for agricultural advice, soil sample kits, and youth 4-H programs.
| Official Office Name: | Alabama Cooperative Extension - Jefferson County |
| Physical Address: | 2121 Rev. Abraham Woods Jr. Blvd, Birmingham, AL 35203 |
| Direct Phone Desk: | (205) 325-5342 |
| Email Contact: | jeffersoncounty@aces.edu |
| Office Hours: | Monday – Friday: 8:00 AM – 4:30 PM |
| Official Web Portal: | https://www.aces.edu/counties/jefferson/ |
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 Jefferson County is Auburn University Soil Testing Laboratory.
| Official Testing Lab: | Auburn University Soil Testing Laboratory |
| Lab Location: | ALFA Agricultural Services Bldg, 961 S. Donahue Dr, Auburn, AL 36848 |
| Routine Sample Fee: | $10 per routine soil sample |
| Expected Turnaround: | 5 to 7 business days |
| Official Lab Website: | https://aaes.auburn.edu/services/soil-testing/ |
How to Collect and Submit a Soil Sample in Jefferson County:
- Pick up a Soil Kit: Pick up official sample boxes and submittal forms at the Alabama Cooperative Extension - Jefferson County (2121 Rev. Abraham Woods Jr. Blvd, Birmingham, AL 35203).
- 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 Auburn University Soil Testing Laboratory.
3. Master Gardener Volunteer Program & Plant Clinic
The Jefferson County Master Gardener Association provides free plant disease diagnostics, lawn care advice, and eco-friendly pest management tips.
| Program Name: | Jefferson County Master Gardener Association |
| Plant Clinic Hours: | Monday & Wednesday: 9:00 AM – 12:00 PM (Note: Plant clinics run seasonally; call office during winter months) |
| Direct Helpline Phone: | (205) 325-5342 |
| Program Portal: | https://www.jeffersonmastergardener.org/ |
Volunteer Training: 50 hours of Auburn University Extension training.
4. Regional Soil & Growing Snapshot for Jefferson County
USDA Plant Hardiness Zone: Zone 8a
Natural Soil Profile: Appalachian Plateau Clay and Sandy Loam
Popular Local Crops: Peaches, tomatoes, sweet corn, bermudagrass
Extension Specialist Tip: Alabama soils tend to be acidic; test soil to calculate proper lime applications.
5. 🧮 Interactive Soil Amendment Calculator for Jefferson County
Estimate the recommended agricultural limestone or elemental sulfur needed to adjust your garden soil pH based on local Appalachian Plateau Clay and Sandy Loam characteristics.
📚 Recommended Extension Guides & Soil Articles
Learn more about interpreting your Jefferson County extension soil test report and managing plant nutrients:
Frequently Asked Questions (Jefferson County Directory)
The Alabama Cooperative Extension - Jefferson County is located at 2121 Rev. Abraham Woods Jr. Blvd, Birmingham, AL 35203. You can call their main desk directly at (205) 325-5342 during standard business hours (Monday – Friday: 8:00 AM – 4:30 PM).
Standard soil analysis for Jefferson County garden samples through Auburn University Soil Testing Laboratory costs $10 per routine soil sample. Check with the office for special sample types.
You can reach the Jefferson County Master Gardener Association hotline by calling (205) 325-5342 during plant clinic hours (Monday & Wednesday: 9:00 AM – 12:00 PM).
Jefferson County falls primarily within USDA Plant Hardiness Zone 8a. Local soil is characterized as Appalachian Plateau Clay and Sandy Loam.
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.