Connecticut Extension & Soil Testing Directory
Find your local Connecticut County Cooperative Extension office, official state university soil analysis lab, and Master Gardener volunteer plant clinics.
🔬 State Soil Testing Laboratory
Official Lab: UConn Soil Nutrient Analysis Laboratory
Standard Fee: $15 per routine garden 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: Connecticut River Valley Silt Loam
Hardiness Zones: Zone 6b
Popular Crops: Apples, berries, brassicas, sweet corn, turf grass
New England glacial soils are naturally acidic; routine liming based on lab tests is essential.
Featured County Directories in Connecticut (1 Listing)
Hartford County
Extension Office: UConn Extension - Hartford County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (860) 409-9050
Looking for Another County in Connecticut?
Every county in Connecticut 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 UConn Soil Nutrient Analysis Laboratory or contact our editorial desk for direct local office hours.
Request Local Extension Info for Your CountyFrequently Asked Questions: Connecticut Soil & Extension
How do I get my soil tested in Connecticut?
To test your soil in Connecticut, 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 UConn Soil Nutrient Analysis Laboratory or your local county extension office.
How much does soil testing cost in Connecticut?
Routine soil fertility analysis in Connecticut typically costs $15 per routine garden soil sample. Turnaround time for results is usually 5 to 7 business days.
Does every county in Connecticut have a Cooperative Extension Office?
Yes. Every county in Connecticut 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 Connecticut.