Worm Castings for Sale - Help Your Plants Thrive


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Trusted by Professionals: Our worm castings are trusted and used by professional growers, organic farms, soil mixing companies, and even professional sport teams!

Recommended by National Soil Testing Labs 

The biology levels are stunning and fantastic! Good bacteria and fungi levels, activity levels are great too. Protozoa populations are perfectly balanced and stunning! Normally you’d use 50 lbs as a top dress per 100 sq ft of worm castings, but with this material, you can get away with 20-25 lbs because the biology is so rich.

What are Worm Castings?

Earthworm castings, frequently referred to as "the superfood of plants", are the biologically-rich waste by-product that earthworms produce after eating.  Through a specialized digestive process, earthworms convert organic matter into an even more nutrient-rich compost called worm castings. For more on worm castings, their benefits, and how to use them, check out our in-depth guides to worm castings:

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Worm Castings for Sale by Brothers Worm Farm

Small batch worm castings are for sale in 5, 10, and 20 lb sizes. Your order will include fine, sifted worm castings carefully packed in a reusable, breathable cotton bag. 

When Will Your Worm Casting Order Ship?

Most orders ship within 2-3 business days via USPS Priority or UPS Ground. You will receive an order confirmation after completing your order and a tracking number once the package is shipped.

**We're sorry that castings can not be shipped to the states of Hawaii or Alaska, or to Puerto Rico.

Bulk Worm Castings

We also offer bulk worm castings in 1 yard and 1.5 yard super sacks.

Worm Castings Questions?

We're service-obsessed and committed to making your order - and vermicomposting journey - a great experience.  Have questions? Email us at highfive@brotherswormfarm.com and we're happy to help!

Customer Reviews

Based on 4 reviews
Brenda Jolley
Nice and rich looking

I bought 20 pounds of worm castings. I’m adding it to all my house plants, citrus trees, fruit trees, deciduous trees, evergreen trees. I just got it so I will have to update this review later when I can report how all my trees and plant do.

Alberto Alvarez
Received your product

I received the product about a week late, but had been previously advised by email of the delay due to 4th of July and the hot weather. So far so good! Can’t wait to see results!

maryanne starcher
Castings arrived fresh and dampened...

Worm castings added to Cannabis potting soil for their natural nutrients...plants grow quickly with strong stalks and leaves ..

Donna Lawson

Worm Castings That Will Help Your Plants Thrive