We may receive a commission on purchases made from links. It may be hard to wrap your head around the garden value of worm castings — the waste produced by lowly earthworms. They're collected from ...

Worm castings, commonly known as vermicompost, are a remarkable byproduct produced by worms as they break down organic materials, including dead leaves, kitchen scraps, and other organic matter. As ...

Master Gardener Larry Steele holds red worm casting Lynn Ke.jpg Master Gardener Larry Steele holds a handful of hardworking red worms, which turn kitchen waste into nutritious castings. (Lynn Ketchum) ...