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  • Learn to Grow

    See the amazing results of earthworm castings on tomato plants.

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  • Rusted Garden

    Soilless mix with earthworm castings.

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  • VermisTerra History

    Learn the story behind VermisTerra and a tour of the earthworm farm.

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  • Certified Organic

    Lab tested. Aged and screened.

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Welcome to VermisTerra®.  We offer top quality organic fertilizer for a wide variety of farming and gardening.  VermisTerra® Earthworm Castings and Earthworm Casting Tea are the ideal soil amendment for gardens, greenhouses, lawns or organic farms.  VermisTerra® products are purely natural, free of odor and safe and easy to use.  It has all the necessary ingredients for a great looking garden while preserving the well-being of our environment.

VermisTerra Earthworm Castings and Earthworm Casting Tea are approved for organic farming by Organic Certifiers and licensed by the California Department of Food and Agriculture (CDFA).

Organic Certification

Our earthworm castings and earthworm casting tea have been inspected and approved by Organic Certifiers for use on certified organic crops under the USDA National Organic Program.  You are ensured that our fertilizers meet the quality standards of being safe and non-toxic.

VermisTerra is licensed and registered with the CDFA.



VermisTerra® offers high quality organic fertilizers, with large amount of nutrition released over a period of time and readily available for plants.

Rows of sugarbeets in Yellowstone River Valley noted for their production in Sidney, Montana, USA


VermisTerra®Earthworm Castings and Earthworm Casting Tea have the ability to naturally enhance the health and growth of your plants to vitalize the flowering and fruiting.



All VermisTerra® castings are the products of earthworms fed by composted green waste.  No sludge or GMO’s are used during the production to ensure complete safety of the environment.