Mealworm frass is a naturally odorless manure that provides indoor and outdoor soil with the nutrients plants need. Frass gently releases organic nutrients into the soil while also amending it. It contains chitin, or the exoskeleton of mealworms, stimulating plant growth and microbial health. Backyard Tailz mealworms are raised in small batches in Tennessee. Their excellent nutrition and stress-free upbringing are apparent in the richness of their castings. Use with potted plants, raised garden beds, garden plots, around trees, and anywhere plants need a boost. Can be used to make a compost tea, foliar spray, top dressing, or just mix it into the soil prior to planting. 12oz bag is resealable for continued freshness.