🏛️ Connecticut Land-Grant University Extension System

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 & Glacial Till
Hardiness Zones: Zone 6a / 7a
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 (8 Listings)

Fairfield County

Extension Office: University of Connecticut Extension - Fairfield County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View Fairfield County Directory & Lab →

Hartford County

Extension Office: University of Connecticut Extension - Hartford County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View Hartford County Directory & Lab →

Litchfield County

Extension Office: University of Connecticut Extension - Litchfield County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View Litchfield County Directory & Lab →

Middlesex County

Extension Office: University of Connecticut Extension - Middlesex County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View Middlesex County Directory & Lab →

New Haven County

Extension Office: University of Connecticut Extension - New Haven County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View New Haven County Directory & Lab →

New London County

Extension Office: University of Connecticut Extension - New London County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View New London County Directory & Lab →

Tolland County

Extension Office: University of Connecticut Extension - Tolland County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View Tolland County Directory & Lab →

Windham County

Extension Office: University of Connecticut Extension - Windham County
Soil Lab Fee: $15 per routine garden soil sample
Phone: (090) 555-0199

View Windham County Directory & Lab →

📦 Recommended Mail-In Soil Test Kits & Meters

FTC Affiliate Disclosure: We may earn a commission

If 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:

#1 Editor Choice

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.

$29.99
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Instant DIY Result

Luster Leaf Rapitest 1601

Popular color-comparator kit for 10 instant soil tests (pH, Nitrogen, Phosphorus, Potash). Includes tailored plant preference chart.

$16.99
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3-in-1 Soil Meter

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.

$11.99
View on Amazon →

📋 Request Local Extension & Lawn Testing Assistance in Connecticut Statewide

Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:

Frequently 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.

Sahajul — Founder & Lead Research Editor

Written & Verified by Sahajul

Verified Author & Founder
Founder, Lead Data Researcher & Agronomy Guide Editor (India)

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.

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