Roots Organics Original natural and organic potting soil is an indoor and outdoor growing mix and ready to use container media for fast growing heavy feeding plants. Some plants may benefit from additional fertilization. Roots Organics Original is also great to use as a potting soil additive or amendment to revitalize and improve structure of garden potting soil. It's recipe enables better drainage and promotes vigourous root growth. This ready to use potting soil does contain fertilizer that will feed your plants for approxamitaley 4 weeks. We highly recommend this product for any gardener looking for an easy to use high quality potting media. With it's blend of peat moss and coco coir it has great water retention coupled with amazing drainage and oxygen holding capabilities.