Flower:
Many small, pale violet-blue flowers are held in round umbels that are surrounded by a collar of dagger-like, silver bracts. The umbels are held atop upright stems and are produced in July and August.
Flower colour: Purple
Flower shape: Small flowers held in round umbels
Flowering time: July, August
Foliage:
Irregularly toothed leaves are ovate to Cordate in shape with spiny margins and are held in basal rosettes. The leaves are dark green and feature prominent silver veining, most notably down the midrib. The leaves gradually become more narrow and silver further up the silvery-green stems.
Foliage Senescence: Evergreen
Foliage Shape: Ovate to cordate
Propagation:
Seed or root cuttings in late winter.
Cultivation:
Best in full sun and well-drained soil.