Boissierre Grees Earthworm Castings 15 Gallon

Earthworm castings (earthworm poop) is 100% organic humus. Castings contain rich microbiological colonies that help fight soil-borne plant diseases and repel insects. Worm castings contains minerals such as concentrated nitrates, potassium, magnesium, calcium, and phosphorus. Nutrients are readily available to plants and will not burn even the most delicate of plants.