Rosularia aizoon

Rosularia aizoon is a succulent that forms rosettes of hairy, pale green to blue-green leaves. It is hardy down to zone 7a (-17 °C, 0 °F) and blooms in summer. The plant was first described as Prometheun aizoon by Eduard Fenzl then transferred to genus Rosularia by Alwin Berger in 1930.