Perennials unlike annuals come back every year. They live 15-20 years and are very vibrant in color and bloom every spring. Some perennials also reproduce and make more plants, eventually planting one plant will make three. Best shade perennials are the virginia blue bells, trilliums and golden poppy. Sun perennials include the black eye susan, daylily and the phlox. Perennials and very versitle, hardy,low maintence.