Coco coir is a sustainable, lightweight growing medium made from coconut husk fibers. This 3 lb loose bag is ideal for seed starting, potting mixes, and container gardening. It retains moisture while providing excellent drainage and aeration for healthy root development. Naturally pH-neutral and free of pathogens, coco coir is a peat-free alternative that works well for vegetables, herbs, houseplants, and ornamentals. Easy to hydrate and rehydrate, it expands when moistened for convenient storage and use.