Rhode Island Extension & Soil Testing Directory
Find your local Rhode Island County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: URI Soil Testing Service & Partner Labs
Standard Fee: $0 (Free pH check at URI clinics) / $15 full lab test
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: Narragansett Silt Loam & Glacial Till
Hardiness Zones: Zone 6b / 7a
Popular Crops: Apples, sweet corn, berries, brassicas, turf grass
Rhode Island soils tend to be acidic; free pH testing at URI clinics helps determine exact lime needs.
Featured County Directories in Rhode Island (1 Listing)
Providence County
Extension Office: URI Cooperative Extension - Providence District
Soil Lab Fee: $0 (Free pH check at URI clinics) / $15 full lab test
Phone: (401) 874-2900
Looking for Another County in Rhode Island?
Every county in Rhode Island 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 URI Soil Testing Service & Partner Labs or contact our editorial desk for direct local office hours.
Request Local Extension Info for Your CountyFrequently Asked Questions: Rhode Island Soil & Extension
How do I get my soil tested in Rhode Island?
To test your soil in Rhode Island, 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 URI Soil Testing Service & Partner Labs or your local county extension office.
How much does soil testing cost in Rhode Island?
Routine soil fertility analysis in Rhode Island typically costs $0 (Free pH check at URI clinics) / $15 full lab test. Turnaround time for results is usually 5 to 7 business days.
Does every county in Rhode Island have a Cooperative Extension Office?
Yes. Every county in Rhode Island 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 Rhode Island.
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.