A hardy, mound forming, winter dormant perennial. Forms gigantic mounds of powdery blue foliage in spring. Once matured said to have a lazy, relaxed apperance. Flowers in summer are tall and white. Flowering period June – July. Height: 90cm. Spread: 1.5m. Plant needs to be kept in shade as direct sunlight effects colouring of foliage, prefers fertile soil and good moisture levels.