Jobe's 12 Pack 2-8-8 Organic Succulent Plant Spike. These pre-measured, easy to insert spikes feed directly at the roots, promoting optimum plant yields. Made with 100% natural ingredients, they have a low odor and are ideal for indoor gardening use. For use with all succulents, 1 spike feeds a 4" pot for a year. Guaranteed results. Comes in a pouch.