Boone County, MO Extension Office & Soil Testing Directory
Welcome to the official directory resource for Boone County, MO. Connecting local homeowners, urban gardeners, and commercial growers with Missouri's land-grant university extension resources, state soil testing lab services, and Master Gardener volunteer clinics.
1. Extension Office Contact Details & Operational Hours
The MU Extension - Boone County serves as the primary educational extension center in Boone County. Visit or call during standard operational hours for agricultural advice, soil sample kits, and youth 4-H programs.
| Official Office Name: | MU Extension - Boone County |
| Physical Address: | 1012 N. Highway 763, Columbia, MO 65202 |
| Direct Phone Desk: | (573) 445-9792 |
| Email Contact: | booneco@missouri.edu |
| Office Hours: | Monday – Friday: 8:00 AM – 4:30 PM |
| Official Web Portal: | https://extension.missouri.edu/counties/boone |
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 Boone County is MU Soil and Plant Testing Laboratory.
| Official Testing Lab: | MU Soil and Plant Testing Laboratory |
| Lab Location: | 23 Mumford Hall, Columbia, MO 65211 |
| Routine Sample Fee: | $15 per routine soil sample |
| Expected Turnaround: | 5 to 7 business days |
| Official Lab Website: | https://extension.missouri.edu/programs/soil-and-plant-testing-laboratory |
How to Collect and Submit a Soil Sample in Boone County:
- Pick up a Soil Kit: Pick up official sample boxes and submittal forms at the MU Extension - Boone County (1012 N. Highway 763, Columbia, MO 65202).
- 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 MU Soil and Plant Testing Laboratory.
3. Master Gardener Volunteer Program & Plant Clinic
The Boone County Extension Master Gardeners provides free plant disease diagnostics, lawn care advice, and eco-friendly pest management tips.
| Program Name: | Boone County Extension Master Gardeners |
| Plant Clinic Hours: | Monday, Wednesday, Friday: 9:00 AM – 12:00 PM (Note: Plant clinics run seasonally; call office during winter months) |
| Direct Helpline Phone: | (573) 445-9792 |
| Program Portal: | https://extension.missouri.edu/counties/boone/master-gardener |
Volunteer Training: 30 hours of University of Missouri core horticulture instruction.
4. Regional Soil & Growing Snapshot for Boone County
USDA Plant Hardiness Zone: Zone 6a / 6b
Natural Soil Profile: Central Mississippi Valley Silt Loam
Popular Local Crops: Tomatoes, sweet corn, berries, apples, tall fescue
Extension Specialist Tip: Missouri heavy clay subsoils require organic matter incorporation for good root growth.
5. 🧮 Interactive Soil Amendment Calculator for Boone County
Estimate the recommended agricultural limestone or elemental sulfur needed to adjust your garden soil pH based on local Central Mississippi Valley Silt Loam characteristics.
📚 Recommended Extension Guides & Soil Articles
Learn more about interpreting your Boone County extension soil test report and managing plant nutrients:
Frequently Asked Questions (Boone County Directory)
The MU Extension - Boone County is located at 1012 N. Highway 763, Columbia, MO 65202. You can call their main desk directly at (573) 445-9792 during standard business hours (Monday – Friday: 8:00 AM – 4:30 PM).
Standard soil analysis for Boone County garden samples through MU Soil and Plant Testing Laboratory costs $15 per routine soil sample. Check with the office for special sample types.
You can reach the Boone County Extension Master Gardeners hotline by calling (573) 445-9792 during plant clinic hours (Monday, Wednesday, Friday: 9:00 AM – 12:00 PM).
Boone County falls primarily within USDA Plant Hardiness Zone 6a / 6b. Local soil is characterized as Central Mississippi Valley Silt 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.