Mountain Gate Organic Earthworm Castings

Yes, they are perfectly suited for indoor use. Because the formula is odor-free and non-toxic, you can safely mix them into your potting soil without worrying about unpleasant smells or safety concerns in your living space.

OMRI-listed means this product has been reviewed by the Organic Materials Review Institute and meets the strict standards required for use in certified organic gardening. It ensures the product is free from synthetic chemicals and contaminants.

Worm castings introduce beneficial microorganisms that break down organic matter, making nutrients more accessible to your plants. They also improve soil structure, which helps sandy soil hold moisture better and allows heavy clay soil to drain more effectively.

While not a pesticide itself, these castings promote vigorous, healthy plant growth. Stronger, healthier plants are naturally more resilient and better equipped to resist common pests and diseases on their own.

No, this product is pathogen-free. The earthworms are fed a clean, plant-based diet, and the processing ensures the final product is safe for use on vegetables, herbs, and flowers.