North Carolina Extension & Soil Testing Directory
Find your local North Carolina County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: NCDA&CS Agronomic Services Soil Testing Laboratory
Standard Fee: $0 (Free April 1 to Nov 30)
Turnaround Time: 5 to 10 business days
State residents can obtain soil sample bags and submittal forms at any local county extension branch.
🌱 State Growing Conditions
Soil Types: Piedmont Cecil Clay Loam (Naturally acidic pH 5.0 - 5.5)
Hardiness Zones: Zone 7b / 8a
Popular Crops: Sweet potatoes, tomatoes, strawberries, bermudagrass, fescue
North Carolina state soil testing is free during off-peak months; apply dolomitic lime to supply magnesium.
Featured County Directories in North Carolina (1 Listing)
Wake County
Extension Office: NC State Extension - Wake County Center
Soil Lab Fee: $0 (Free April 1 to Nov 30)
Phone: (919) 250-1100
Looking for Another County in North Carolina?
Every county in North Carolina is supported by the state Land-Grant University Extension system. If your specific county directory is currently being indexed, you can submit your soil samples directly to NCDA&CS Agronomic Services Soil Testing Laboratory or contact our editorial desk for direct local office hours.
Request Local Extension Info for Your CountyFrequently Asked Questions: North Carolina Soil & Extension
How do I get my soil tested in North Carolina?
To test your soil in North Carolina, collect 10 to 12 soil cores from a depth of 4 to 6 inches across your garden or field, air-dry the sample indoors, fill out your county extension submission form, and submit it to NCDA&CS Agronomic Services Soil Testing Laboratory or your local county extension office.
How much does soil testing cost in North Carolina?
Routine soil fertility analysis in North Carolina typically costs $0 (Free April 1 to Nov 30). Turnaround time for results is usually 5 to 10 business days.
Does every county in North Carolina have a Cooperative Extension Office?
Yes. Every county in North Carolina is served by the state's Land-Grant University Extension system. While our directory highlights primary regional office hubs and university labs, local extension agents serve horticulturists, farmers, and home gardeners across all counties in North Carolina.
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.