This unique fertilizer feeds plants for up to a full six months with just one application. Simply shake the time-release pellets into the soil at planting and enjoy beautiful flowers all season long. The temperature-sensitive coating is designed to deliver nutrients to plants during peak growing periods when they need it most. This blend of fertilizer is ideal for all Proven Winners plants in containers, hanging baskets, window boxes, and landscape beds. For healthy plants, we recommend applying once every six weeks.