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NC State Extension

21st Annual Vermiculture Conference

en Español

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The 21st Annual Vermiculture Conference will be held in person and online on Saturday and Sunday, October 22 – 23, 2022. The event will take place at the James B. Hunt Jr. Library, 1070 Partners Way, Raleigh, North Carolina 27606. Lectures and networking will take place on:

  • Saturday, October 22: 10:00 a.m. – 6:00 p.m. 
  • Sunday, October 23:  9:15 a.m. – 4:00 p.m. (after the closing, you are welcome to visit the Compost Learning Lab)

REGISTRATION is open! Register HERE if you plan to attend IN-PERSON.

If you plan to attend ONLINE, register HERE

If you have questions about registration and online streaming, email

Click on the Hotel and Travel link above to make hotel reservations at a reduced rate. Reservations must be made by September 30, 2022, to receive a lower rate.


The annual conference focuses on mid-to large-scale vermicomposting for businesses, farms, institutions, and municipalities. This event provides the knowledge needed to start or expand an earthworm or vermicompost production operation. Key issues for vermicomposting operations are covered in addition to how vermicompost affects plant growth and suppresses plant pests and diseases.

In 2019, 165 people attended the conference from all over the United States and throughout the globe. Past participants have come from Argentina, Aruba, Australia, Austria, Bahamas, Belgium, Canada, China, Dominican Republic, England, Germany, Greece, Guatemala, Hong Kong, India, Ireland, Israel, Latvia, Mexico, Micronesia, Nicaragua, Nigeria, Norway, Philippines, Puerto Rico, Singapore, South Africa, Spain, Switzerland, Thailand, Trinidad & Tobago, Turkey, Uganda, United States, and Zimbabwe.

Why attend the 21st Annual Vermiculture Conference?

  • You will learn how others started and grew their operations
  • Go from a hobby to a money-making business
  • Network with fellow worm enthusiasts from throughout the US and other countries

Mark your calendar for October 22-23 and join worm aficionados from all over the world at this unique event.


  • Continuous Flow-Through Vermicomposting
  • Vermicomposting Food Residuals
  • Cold or Warm Weather Vermicomposting
  • Vermicomposting Operation Options
  • Vermi-Biz Strategies and Common Pitfalls
  • Pre-Composting
  • Analyzing Vermicompost
  • Breeding Earthworms
  • Earthworm Species Identification
  • Brewing and Using Vermicompost Tea
  • Soil Microbiome

NC State Extension information on vermicomposting.

What people are saying about this conference…

“The conference was definitely worth the time and money. I learned so much…not just about earthworms, but soil composition, minerals, testing, teas, diseases, correct processes to follow, etc. I’m looking forward to next year’s conference already! ~S.S., North Carolina

“Count me as an extremely satisfied conference attendee. I was truly impressed and hope to be one of your “frequent fliers.” I was particularly impressed with the depth of the science presented.” ~S.F., New York

“Rhonda, what an awesome conference, great job! It was great to be among so many like-minded people with differing perspectives, especially my New Mexico connections. I also appreciate the extra effort to get it to be a zero waste event.” ~ New Mexico

We Would Like to Thank the Following Conference Sponsors:

Michigan SoilWorks Urban Worm Company

Who Should Attend

  • Earthworm Growers
  • Farmers
  • Composters
  • Nursery Owners
  • Greenhouse Growers
  • Soil Blenders
  • Orchard Owners
  • Entrepreneurs
  • Researchers
  • Livestock Operators
  • Extension Agents
  • Solid Waste Managers
  • Landscapers
  • Consultants
  • Food Service Managers
  • Sustainable Agriculture Researchers