Worms eat.
Worms work through their feed, and what they leave behind is the whole product. No blending, nothing added.
Pure earthworm castings for pots, beds, lawns and fields. The bag is out of stock right now. Join the list and we'll tell you when it's back.
Six steps, one ingredient. Scroll and the trail fills in.
Worms work through their feed, and what they leave behind is the whole product. No blending, nothing added.
What the worms leave behind is castings. It is the only thing that goes in our bags.
Filled by volume, 4 quarts to the bag, about 4.7 to 5.2 pounds. Eight bags to a case, thirty-six cases to a pallet, so it ships the same to a porch or a loading dock.
The 4-quart bag is the one you find in stores. Order it by the bag or the case of 8, or castings by the tote and super sack for farms and landscapers.
Top-dress pots and beds, blend it into potting mix, or steep it for tea. The guides walk through each one.
Gardeners have used worm castings for generations. We will put real numbers here the day a new lab analysis is back, and not a day before.
Usage notes describe general gardening practice. Nutrient, microbe and organic claims are held until third-party testing and registration are complete.
Clips from our Facebook page, filmed around Bronson in 2023: the worms, the pile, and the kids on bagging duty. Follow along on Facebook (opens in a new tab).
Spin it, read it, buy it. Every bag is the same thing: 100% earthworm castings. Only the size changes.

Out of stock right now. Join the list and we'll tell you when it's back.
Keep me postedGreat product! Quick to reply to questions and willing to provide advice.
…let’s talk about Clint, and how absolutely amazing he’s been to work with! He is so friendly and helpful, going above and beyond! It never feels like I’m calling a business, more like calling a friend…
100%
recommend Super Poop on Facebook (7 reviews, as of September 2026).
Read the reviews on Facebook (opens in a new tab)If we haven't measured it, it's not on the bag. Lab numbers go up here the day a fresh third-party analysis comes back.
| Contents | 100% earthworm castings | Verified |
|---|---|---|
| Formats | 4-quart bag · tote · super sack | In range |
| Bag fill | 4 qt (3.78 L) by volume · about 4.7–5.2 lb | Measured |
| Pack-out | 8 bags / case · 36 cases / pallet · 288 bags / pallet | Measured |
| Company | Super Poop, LLC · Bronson, Kansas | On file |
| Lab analysis | New third-party analysis not yet published | Pending |
Pick how much and how often. Every delivery is yours to change: skip one, pause for winter, or cancel from your account.
The bag is out of stock right now · subscriptions open again when it's back
Keep me postedPallets of 4-quart bags, totes and super sacks are quoted by the load: tell us the format, roughly how much, and where it's going, and we'll come back with a number.
Stocking the bag? Trade accounts get their own pricing. How wholesale works


Garden centers, hardware and feed stores stocking the shelf.
Farms, landscapers and growers buying by the load.
Regional and national retailers.
Already stock us? Log in to your trade account.
The worm, the bag and the slogans on one letter-size sheet. Stores that carry Super Poop get printable shelf signs in their trade account. Same drawings as this site, so the shelf matches.