Previously grown as Dierama pulcherrimum 'Merlin'. The 2005 plant died out but has self-seeded. It looks like it has reverted to species.

Dierama pulcherrimum (Baker, Iridaceae). Angel's Fishing rods, African harebell. Herbaceous perennial. Distribution: South Africa. Said to be used in South African Muthi medicine, but no references found other than it being grown at the Medicinal Garden of the University of Washington and the Royal College of Physicians, London.

Oakeley, Dr. Henry F. (2013). Wellcome Library notes. Link

The following notes on uses in both ritual and traditional medicine refer to the related species D. pendulum. The corms of Dierama tysonii are used as fertility charms in Zululand to ensure a good harvest, and as a strong purgative in Lesotho.

www.plantzafrica.com https://pza.sanbi.org/dierama-tysonii