Last Verified: 2026-07-21 via Land-Grant Records

Hartford County, CT Extension Office & Soil Testing Directory

Welcome to the official directory resource for Hartford County, CT. Connecting local homeowners, urban gardeners, and commercial growers with Connecticut's land-grant university extension resources, state soil testing lab services, and Master Gardener volunteer clinics.

1. Extension Office Contact Details & Operational Hours

The UConn Extension - Hartford County serves as the primary educational extension center in Hartford County. Visit or call during standard operational hours for agricultural advice, soil sample kits, and youth 4-H programs.

Official Office Name: UConn Extension - Hartford County
Physical Address: 270 Farmington Ave, Suite 262, Farmington, CT 06032
Direct Phone Desk: (860) 409-9050
Email Contact: hartford@uconn.edu
Office Hours: Monday โ€“ Friday: 8:30 AM โ€“ 4:30 PM
Official Web Portal: https://extension.uconn.edu/location/hartford/

2. Official Soil Testing Laboratory & Pricing

Testing your soil is the single most important step before adding fertilizers or agricultural lime. The official testing laboratory serving Hartford County is UConn Soil Nutrient Analysis Laboratory.

Official Testing Lab: UConn Soil Nutrient Analysis Laboratory
Lab Location: 6 Tech Park Drive, Unit 5115, Storrs, CT 06269
Routine Sample Fee: $15 per routine garden soil sample
Expected Turnaround: 5 to 7 business days
Official Lab Website: https://soiltest.uconn.edu/

How to Collect and Submit a Soil Sample in Hartford County:

  1. Pick up a Soil Kit: Pick up official sample boxes and submittal forms at the UConn Extension - Hartford County (270 Farmington Ave, Suite 262, Farmington, CT 06032).
  2. Collect Sub-Samples: Use a clean stainless steel trowel to take 10 to 12 soil cores from a 4-to-6-inch depth across your garden or lawn area.
  3. Air-Dry: Mix sub-samples in a clean plastic bucket and air-dry on clean paper at room temperature (never use an oven).
  4. Submit Sample: Return your filled soil box to the extension office or mail directly to UConn Soil Nutrient Analysis Laboratory.
๐Ÿ”ฌ Need Instant At-Home Results While Waiting for Lab Results?
Measure pH, Nitrogen, Phosphorus, and Potash levels instantly in 10 minutes.
๐Ÿ›’ Order At-Home Test Kit on Amazon โ†’

3. Master Gardener Volunteer Program & Plant Clinic

The UConn Extension Master Gardeners Hartford County provides free plant disease diagnostics, lawn care advice, and eco-friendly pest management tips.

Program Name: UConn Extension Master Gardeners Hartford County
Plant Clinic Hours: Monday & Wednesday: 9:00 AM โ€“ 1:00 PM (Note: Plant clinics run seasonally; call office during winter months)
Direct Helpline Phone: (860) 409-9050
Program Portal: https://mastergardener.uconn.edu/

Volunteer Training: UConn faculty-led 16-week horticulture course.

4. Regional Soil & Growing Snapshot for Hartford County

USDA Plant Hardiness Zone: Zone 6b

Natural Soil Profile: Connecticut River Valley Silt Loam

Popular Local Crops: Apples, berries, brassicas, sweet corn, turf grass

Extension Specialist Tip: New England glacial soils are naturally acidic; routine liming based on lab tests is essential.

5. ๐Ÿงฎ Interactive Soil Amendment Calculator for Hartford County

Estimate the recommended agricultural limestone or elemental sulfur needed to adjust your garden soil pH based on local Connecticut River Valley Silt Loam characteristics.

๐Ÿ“š Recommended Extension Guides & Soil Articles

Learn more about interpreting your Hartford County extension soil test report and managing plant nutrients:

Frequently Asked Questions (Hartford County Directory)

The UConn Extension - Hartford County is located at 270 Farmington Ave, Suite 262, Farmington, CT 06032. You can call their main desk directly at (860) 409-9050 during standard business hours (Monday โ€“ Friday: 8:30 AM โ€“ 4:30 PM).

Standard soil analysis for Hartford County garden samples through UConn Soil Nutrient Analysis Laboratory costs $15 per routine garden soil sample. Check with the office for special sample types.

You can reach the UConn Extension Master Gardeners Hartford County hotline by calling (860) 409-9050 during plant clinic hours (Monday & Wednesday: 9:00 AM โ€“ 1:00 PM).

Hartford County falls primarily within USDA Plant Hardiness Zone 6b. Local soil is characterized as Connecticut River Valley Silt Loam.

Sahajul โ€” 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.

Follow Sahajul on X (@saddamh58509953) Editorial Policy & Bio