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, often referred to as “black gold” in the gardening community, are an organic gardener’s secret weapon for creating healthy, vibrant plants and enriched soil. These nutrient-rich pellets ...

There’s a yardstick among gardeners that good, rich soil with lots of actively decaying organic matter in it should have about a dozen or more earthworms (Lumbricus terrestris) in each cubic foot. But ...