Sub-species
subsp. cartilaginea
This perennial forms a low rounded habit with densely packed rosettes of mid-green leaves. During winter the leaves turn pinkish-red and the flowers appear in a terminal panicle during early summer. 

Cultivars
'Punctatissima'
This small semi-deciduous perennial forms an open clump with narrow spathulate to linear grey-green leaves that secrete lime along the margins. It is suitable for cold climate rockeries or grown as a potted specimen plant.

'Zelebori'
This small clump forming perennial forms rosettes of broad obovate fleshy mid-green leaves that secrete line along the margins. It is grown in rockeries or used as a container plant tolerating cold conditions.