What Are Earthworm Castings?

Earthworm castings are worm poop. They are natural biologically-active soil health supplements

100% Organic

Unlike most fertilizers and sterile soil amendments, earthworm castings are teeming with beneficial microorganisms, enzymes, and bioactive substances

Natural, safe, and odorless

How do they work?
They stimulate the natural activity of beneficial soil microorganisms

They promote the activity of enzymes and natural plant growth regulators

They regulate the availability of essential plant nutrients and enhance fertilizers

What do they do for plants?
Naturally improve plant health and appearance

Invigorate and rejuvenate potted plants and perennials

Enhance germination and early growth of seedlings and cuttings

Stimulate flowering ad improve fruit set and quality


Premium Quality Earthworm Castings by Dr. Subler
Our finely-textured, rich appearing castings are highly effective for all potted or containerized plants both indoors and out. Use as a top dressing, or mix with potting, germination, and transplanting media. Also great for use outdoors with garden plants and perennials.

Available in a convenient 2 oz. single-serving packet 8 oz. and 1 quart re-sealable stand-up pouches, and a larger 5.4 quart bag.


Earthworm Castings Tea by Dr. Subler
The same potent plant health-enhancing qualities of our earthworm castings but in a convenient liquid form. Effective as a plant watering additive or foliar spray. It takes just a few spoonfuls per application.

Bottled in three sizes: 8, 16 and 32 fluid oz. Also available in a handy 4 oz. spray bottle

For more information and retail sources go to Living Soil Web Site