These species are all in the subgenus Scorpiris, the Junos, which are difficult to grow.There are only a few cultivars in this group and there has been little hybridization.

Source: Cooke, D. (2005). Iridaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.