Crocosmia x crocosmiiflora- is a vigorous and spreading perennial that resembles a gladiolus. The flowers are on arching spikes in an upward fashion. Croscosmia makes great cut flowers. Once established, Crocosmia will spread and make your flower garden colorful and beautiful for a long time. The blooms attract hummingbirds and butterflies . Crocosmia is relative to gladiolus and irises. Crocosmia will continue to add color to your flower garden when other plants will be winding down.