The Berger OM6 is certified organic potting soil. It is the classic peat-and-perlite growing medium is authorized for organic production and made exclusively with superior ingredients. This is a large 3.8 cubic feet bale. It is great for use in raised beds. This is the potting soil we use for growing micro-greens. We recommend adding worm castings with it when used in raised beds. Depending on the size of your raised beds, we will help determine how much you require. Give us a call 905-880-9090, we are here to help you grow organically.