South Carolina Extension & Soil Testing Directory
Find your local South Carolina County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: Clemson Agricultural Service Laboratory
Standard Fee: $6 per routine soil sample
Turnaround Time: 5 to 7 business days
State residents can obtain soil sample bags and submittal forms at any local county extension branch.
🌱 State Growing Conditions
Soil Types: Sandhills & Coastal Plain Sandy Loam
Hardiness Zones: Zone 8a
Popular Crops: Peaches, watermelons, tomatoes, centipede & bermudagrass
South Carolina Sandhills soils leach nitrogen rapidly; use slow-release fertilizer blends.
Featured County Directories in South Carolina (1 Listing)
Richland County
Extension Office: Clemson Extension - Richland County
Soil Lab Fee: $6 per routine soil sample
Phone: (803) 865-1216
Looking for Another County in South Carolina?
Every county in South 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 Clemson Agricultural Service Laboratory or contact our editorial desk for direct local office hours.
Request Local Extension Info for Your CountyFrequently Asked Questions: South Carolina Soil & Extension
How do I get my soil tested in South Carolina?
To test your soil in South 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 Clemson Agricultural Service Laboratory or your local county extension office.
How much does soil testing cost in South Carolina?
Routine soil fertility analysis in South Carolina typically costs $6 per routine soil sample. Turnaround time for results is usually 5 to 7 business days.
Does every county in South Carolina have a Cooperative Extension Office?
Yes. Every county in South 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 South 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.