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

Pulaski County, AR Extension Office & Soil Testing Directory

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

1. Extension Office Contact Details & Operational Hours

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

Official Office Name: UADA Cooperative Extension Service - Pulaski County
Physical Address: 2901 W. Roosevelt Road, Little Rock, AR 72204
Direct Phone Desk: (501) 340-6650
Email Contact: pulaski-littlerock@uaex.edu
Office Hours: Monday โ€“ Friday: 8:00 AM โ€“ 4:30 PM
Official Web Portal: https://www.uaex.uada.edu/counties/pulaski/

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 Pulaski County is University of Arkansas Soil Testing and Research Laboratory.

Official Testing Lab: University of Arkansas Soil Testing and Research Laboratory
Lab Location: 1366 W. Altheimer Dr, Marianna, AR 72360
Routine Sample Fee: $0 (Free routine testing for Arkansas residents)
Expected Turnaround: 5 to 7 business days
Official Lab Website: https://soiltest.uark.edu/

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

  1. Pick up a Soil Kit: Pick up official sample boxes and submittal forms at the UADA Cooperative Extension Service - Pulaski County (2901 W. Roosevelt Road, Little Rock, AR 72204).
  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 University of Arkansas Soil Testing and Research Laboratory.
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3. Master Gardener Volunteer Program & Plant Clinic

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

Program Name: Pulaski County Master Gardeners
Plant Clinic Hours: Tuesday & Thursday: 9:00 AM โ€“ 12:00 PM (Note: Plant clinics run seasonally; call office during winter months)
Direct Helpline Phone: (501) 340-6650
Program Portal: https://www.uaex.uada.edu/yard-garden/master-gardener/

Volunteer Training: 40 hours of University of Arkansas extension training.

4. Regional Soil & Growing Snapshot for Pulaski County

USDA Plant Hardiness Zone: Zone 8a

Natural Soil Profile: Arkansas River Alluvial Silt Loam & Sandy Clay

Popular Local Crops: Tomatoes, strawberries, watermelons, soybeans, rice

Extension Specialist Tip: Arkansas residents enjoy free state routine soil testing. Sample garden beds in autumn to prepare for spring.

5. ๐Ÿงฎ Interactive Soil Amendment Calculator for Pulaski County

Estimate the recommended agricultural limestone or elemental sulfur needed to adjust your garden soil pH based on local Arkansas River Alluvial Silt Loam & Sandy Clay characteristics.

๐Ÿ“š Recommended Extension Guides & Soil Articles

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

Frequently Asked Questions (Pulaski County Directory)

The UADA Cooperative Extension Service - Pulaski County is located at 2901 W. Roosevelt Road, Little Rock, AR 72204. You can call their main desk directly at (501) 340-6650 during standard business hours (Monday โ€“ Friday: 8:00 AM โ€“ 4:30 PM).

Standard soil analysis for Pulaski County garden samples through University of Arkansas Soil Testing and Research Laboratory costs $0 (Free routine testing for Arkansas residents). Check with the office for special sample types.

You can reach the Pulaski County Master Gardeners hotline by calling (501) 340-6650 during plant clinic hours (Tuesday & Thursday: 9:00 AM โ€“ 12:00 PM).

Pulaski County falls primarily within USDA Plant Hardiness Zone 8a. Local soil is characterized as Arkansas River Alluvial Silt Loam & Sandy Clay.

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.

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