Worm Castings - Bulk 2 Cubic Yard Tote

Worm castings are the waste of redworms, different from Vermicompost, which is soil worked by earthworms. Worm castings are amazingly rich in nitrogen, phosphates and other minerals. It is a powerful natural fertilizer and great for house plants, gardening, potted plants, microgreens, wheatgrass & more. Add 20% mix of worm castings to soil for a perfect growth medium.  OMRI Listed.*  Looking for small quantities? Available at True Leaf Market Seed Company. Worm Castings - Natural Soil Fertilizer for Gardens and Growing These worm castings come from redworms. Worm castings make a powerful soil additive. Redworms deposit a water-soluble, ready-to-use casting 5 to 11 times richer in nitrogen, phosphorus and potassium (NPK) than the Organic matter they consumed. Worm castings are also rich in calcium, magnesium and other minerals. The earthworms powerful gizzard grinds the matter while the intestinal tract secretes chemicals which release the major as well as microplant nutrients and t