Maintaining and Using Perennial Flowers By Deborah Clark NABBW’s Gardening Expert Perennials have different lifespans and while some, like peonies, can live for many (some say up to 50) years, all plants will die sooner or later. But you can keep them going by dividing and replanting, or by keeping the seedlings. After flowering, let the leafy tops die down naturally, as they feed the roots which need to survive through the winter, and don\’t cut them off until the plant is dormant. Some plants go dormant and disappear in the summer, but their roots continue to grow and will send up... Read More