New Haven County, CT Extension Office & Soil Testing Directory
Welcome to the official directory resource for New Haven 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 University of Connecticut Extension - New Haven County serves as the primary educational extension center in New Haven County. Visit or call during standard operational hours for agricultural advice, soil sample kits, and youth 4-H programs.
| Official Office Name: | University of Connecticut Extension - New Haven County |
| Physical Address: | New Haven, Connecticut 06510 |
| Direct Phone Desk: | (090) 555-0199 |
| Email Contact: | new-haven@uconn.edu |
| Office Hours: | Monday – Friday: 8:00 AM – 4:30 PM |
| Official Web Portal: | https://soiltest.uconn.edu/ |
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 New Haven 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 New Haven County:
- Pick up a Soil Kit: Pick up official sample boxes and submittal forms at the University of Connecticut Extension - New Haven County (New Haven, Connecticut 06510).
- 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.
- Air-Dry: Mix sub-samples in a clean plastic bucket and air-dry on clean paper at room temperature (never use an oven).
- Submit Sample: Return your filled soil box to the extension office or mail directly to UConn Soil Nutrient Analysis Laboratory.
3. Master Gardener Volunteer Program & Plant Clinic
The New Haven County Extension Master Gardener Volunteers provides free plant disease diagnostics, lawn care advice, and eco-friendly pest management tips.
| Program Name: | New Haven County Extension Master Gardener Volunteers |
| Plant Clinic Hours: | Tuesday & Thursday: 9:00 AM – 12:00 PM (Note: Plant clinics run seasonally; call office during winter months) |
| Direct Helpline Phone: | (090) 555-0199 |
| Program Portal: | https://soiltest.uconn.edu/ |
Volunteer Training: Comprehensive horticulture training conducted by University of Connecticut Extension.
4. Regional Soil & Growing Snapshot for New Haven County
USDA Plant Hardiness Zone: Zone 6a / 7a
Natural Soil Profile: Connecticut River Valley Silt Loam & Glacial Till
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. 🧮 Interactive Soil Amendment Calculator for New Haven County
Estimate the recommended agricultural limestone or elemental sulfur needed to adjust your garden soil pH based on local Connecticut River Valley Silt Loam & Glacial Till characteristics.
📚 Recommended Extension Guides & Soil Articles
Learn more about interpreting your New Haven County extension soil test report and managing plant nutrients:
📦 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 New Haven County, CT
Need help interpreting your lab results or finding local agricultural extension agents? Fill out the brief form below:
Frequently Asked Questions (New Haven County Directory)
The University of Connecticut Extension - New Haven County is located at New Haven, Connecticut 06510. You can call their main desk directly at (090) 555-0199 during standard business hours (Monday – Friday: 8:00 AM – 4:30 PM).
Standard soil analysis for New Haven 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 New Haven County Extension Master Gardener Volunteers hotline by calling (090) 555-0199 during plant clinic hours (Tuesday & Thursday: 9:00 AM – 12:00 PM).
New Haven County falls primarily within USDA Plant Hardiness Zone 6a / 7a. Local soil is characterized as Connecticut River Valley Silt Loam & Glacial Till.
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.