The low foliage is topped with flowerspikes of up to 120 cm high. Big, white open bell shaped flowers last a long time. Suitable for back of the herbaceous border Height 90 cm. Spread 30 cm.
The double lilac blue flowers seem to have one flower inside another flower, making them striking and extra frilly. Flowering during the summer months. Height 90 cm. Spread 60 cm.
