worm castings potting mix Worm Castings for Sale

worm castings potting mix Worm Castings for SaleTrusted 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 youd use 50 lbs as a top dress per 100 sq ft of worm castings, but with

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:

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 [email protected] and we're happy to help!