Description
Attractive evergreen perennial with a clumping basal rosette of dark green leaves and extraordinary white veining. Grayish-white flower heads on short stems. An eye-catching foliage plant. In summer upright, branched, leafy stems bear silvery-blue flowers with conspicuous, white spiny collars. Each thimble is surrounded by long, slender bracts which splay outwards, adding to the prickly appearance.
Basic Colour: (grey / black)
Flower Colour: grey
Natural Flowering Period: July – August
Winter Hardiness Zones: Z5 – Z9
Foliage: dark green with white marbling
Growth Habit: clumping
Height with Flowers: 40 cm
Spacing between Plants: 30 cm
Soil Requirements: dry / gritty / well-drained / average