What is a low maintenance perennial?
Low Maintenance Once Established Larkspurs (Delphinium), black-eyed Susans (Rudbeckia), and echinacea (Echinacea) also provide reliable handsome flowers year after year with little care. LOW MAINTENANCE PERENNIALS. Some of the best include Geranium Rozanne, famous for its incredibly long flowering season, and Salvia Caradonna, which blooms early and often. Gaura Whirling Butterflies, Verbena bonariensis, Scabiosa Butterfly Blue and Nepeta Six Hills Giant also flower for much of the summer.Top choices include Geranium Rozanne, one of the longest flowering perennials, and Erigeron karvinskianushelle, which fills gaps and spills softly over edges. Helleborus orientalis brings early colour in winter, while Echinacea Magnus and Rudbeckia Goldsturm offer bright summer blooms with almost no care required.