Aristea schizolaena (Iridaceae) An extremely rare & robust species that grows 25cm tall with leathery strap like foliage. It is a summer bloomer and it bears clusters of single blue to deep purple flowers on upright stems with some branching. An excellent choice for a container, as it looks good year-round Date of harvest : January 2010. Locality : Grahamstown. Sowing : Sow in summer in a well drained mixture.