What is a Good Worm Castings Price Per Ton?

If you’re in the market for a lot of worm castings, the best way to buy them is in one-ton super sacks. This gets a large quantity of worm castings at a very affordable price. Compared to buying that many pounds in small bags, you can save quite a bit of money on a per-pound basis.

With that in mind, what is a good price for worm castings on the bulk scale? Depending on what you’re looking for, there are a few different factors for you to take into consideration.

What Type of Worm Castings is It?

If you’re new to the worm castings game, you may not realize that there are different types of worm poop available. It’s all the same right? In fact, it differs greatly from one source to the next. While it may all be marketed as worm castings, it’s not all created equally. 

(You should also read our post on the disadvantages and advantages of castings.)

Red wiggler compost – Red wigglers are a very common type of worm that have a reddish tint to them (and yes they wiggle). They are ideal as a composting worm and fill a very important role in the ecosystem. They can break down food scraps, yard waste, and other plant life. They use the bathroom just like any other worm, and then you can harvest those castings and use them as a soil supplement.

While it is a good product compared to chemical fertilizers, it’s not really the “cream of the crop” when it comes to worm castings. The drawback to using this type of worm casting is that you can’t always guarantee the quality of the food source for the worms. The food that the worms eat could have pesticides and other chemicals in it, which will get into the castings that you put on your plants. The microbial life also isn’t as good with this type of castings.

The pricing for this type of earthworm castings varies, depending on the source. For example, you might be able to find it for sale from between $200 and $300 per ton.

Pure Earthworm Castings- With pure earthworm castings, you get a premium product that is perfect for maximizing all types of plant growth. These castings are made by earthworms that naturally aerate the soil and live deeper in the ground. These worms are larger and not designed for composting. Instead, they eat dirt and things in the soil and make a bigger casting.

This type of casting is produced with a controlled food source in a controlled environment. These castings look like rich, dark coffee grounds and make the perfect amendment to any soil. They have a microbial count that is through the roof and an unbelievable amount of trace elements and nutrients.

Typically, you’ll find this type of casting available for somewhere between $350 and $450 a ton, depending on the season and availability.


When looking at a worm castings price per ton, you also have to consider the shipping. We’re talking about shipping a ton of worm castings in a giant sack. The shipping on this will add to the cost of the product.

The pricing mentioned above is just for the product. If you need it shipped, you can expect to pay somewhere between $100 and $450 per ton, depending on how far it’s being shipped. The closer you can get to your worm castings source, the better on cost it will be.

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