Coneflower White Swan A hardy clump-forming perennial with a long flowering period from July to September. The large white daisy-like flowers of Echinacea purpurea White Swan are slightly bent back on stiff stems with a dark yellow center mounted on top. The seedheads provide food for wildlife during the Winter months. Coneflower White Swan is a showy, late flowering perennial that seems to be extremely attractive to butterflies, bees and other beneficial pollinators. It can be planted in the mixed border or wildlife garden, and is also great for container gardening and cut flowers. Site: Tolerant of inland exposureSoil: Most well-drainedPosition: Full sun to part shadeSeason of Interest: Very large purple flowers July to September, seedheads provide wildlife foodsource in WinterHardiness: Fully hardyHeight: 3ft (1m) Spread: 1.5ft (0.45m)