Romulea Species, Crocus-Leaved Romulea, Sand Crocus, Violet Romulea
Romuleabulbocodium
Synonym
Crocus
bulbocodium
Ixia
bulbocodium
Trichonema
bulbocodium
Some sources list the crocus-like plant as hardy to zone 7. I have not tried them, so I can't vouch for that.