What’s the longest flowering perennial?
These reliable plants keep going for months, providing continuous colour from early summer into autumn with very little care. Some of the best include Geranium Rozanne, famous for its incredibly long flowering season, and Salvia Caradonna, which blooms early and often. 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.In general, daylilies are a great perennial addition, but the stella de oro’s are some of the earliest and longest blooming varieties. Coneflowers or echinacea have perennial flowers that bloom through summer in pink, purple, white, orange, red, or yellow.