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 routine soil sample
Turnaround Time: 3 to 5 business days
State residents can obtain soil sample bags and submittal forms at any local county extension branch.
🌱 State Growing Conditions
Soil Types: Piedmont Red Clay & Coastal Plain Sand
Hardiness Zones: Zone 7b / 9a
Popular Crops: Peaches, watermelons, sweet corn, bermudagrass, centipedegrass
Clemson lab offers low $6 routine testing; apply lime based on target plant recommendations.
Featured County Directories in South Carolina (7 Listings)
Greenville County
Extension Office: Clemson University Extension - Greenville County
Soil Lab Fee: $6 routine soil sample
Phone: (450) 555-0199
Richland County
Extension Office: Clemson University Extension - Richland County
Soil Lab Fee: $6 routine soil sample
Phone: (450) 555-0199
Charleston County
Extension Office: Clemson University Extension - Charleston County
Soil Lab Fee: $6 routine soil sample
Phone: (450) 555-0199
Horry County
Extension Office: Clemson University Extension - Horry County
Soil Lab Fee: $6 routine soil sample
Phone: (450) 555-0199
Spartanburg County
Extension Office: Clemson University Extension - Spartanburg County
Soil Lab Fee: $6 routine soil sample
Phone: (450) 555-0199
Lexington County
Extension Office: Clemson University Extension - Lexington County
Soil Lab Fee: $6 routine soil sample
Phone: (450) 555-0199
York County
Extension Office: Clemson University Extension - York County
Soil Lab Fee: $6 routine soil sample
Phone: (450) 555-0199
📦 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 South Carolina Statewide
Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:
Frequently 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 routine soil sample. Turnaround time for results is usually 3 to 5 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.