Evergreen shrub, often classified among; not entirely winter-hardy.
A fine specimen plant in the lawn, in an angle of the border etc. Will take a few years to flower and must be covered in winter. Likes full sun and a sheltered situation.
Nutritious, porous soil, if possible containing a certain amount of lime.
Old plants develop side-shoots which may be removed in spring.
filamentosa: Resembles the following species, but has thread-like filaments attached to the . flaccida: Height 70 cm; an enormous cluster of creamy white, bell-shaped from mid summer to early autumn; the whole plant will reach to 2 m. The grey-green, sword-shaped leaves are arranged in a rosette on a very short trunk.