Double Decker produces single purple-red flowers in the first season. In year two a very high percentage of reliable twins are produced on sturdy stems. Some of the flowers may even be fully double. Excellent border plant and attract butterflies, bees and birds into the garden, makes an interesting cut flower. Flowers July to September, loves to grow in full sun. Sow at 20-25°C cover seed with thin layer vermiculite/compost in early spring. Hgt 100cm spread 60cm Echinacea purpurea