Check the listing for details. 100% Organic Worm Castings 1 Lb Bag. Condition: New. Listed at 11.95 USD. Worm Castings - A Natural Fertilizer for Healthy GrowthOur worm castings are some of the best organic fertilizers available on the market. Worm castings provide a wide range of essential minerals and nutrients that improve soil quality and increase plant growth. · Our worm castings contain high levels of nitrogen, phosphorus, and potassium - the primary nutrients plants need for growth.· They also contain micro-nutrients such as calcium, magnesium, iron, and zinc which are critical for healthy plant development.· Worm castings improve soil structure, allowing for better root growth and nutrient uptake.· Worm castings are non-toxic, safe to use around children and pets, and do not burn plants or roots.· Worm castings ensure a healthy micro-biome in which helps healthy plants stay healthy and absorb nutrients properly.· Our worm castings are produced from red wigglers fed with a premium blend of organic matter and premium organic additives, such as kelp meal ,oyster shell flower, sugar beet pulp, cotton seed meal, soy bean meal, sprouted barley seed, sprouted corn seed, sprouted milo seed and wheat grass, ensuring a completely natural and sustainable source of fertilizer.