Sisyrinchium macrocarpum persisted for years with me in the Maidenhead garden, self-sowing modestly. I don't think it's a long-lived plant. It was just an unconsidered trifle, and died out from want of thought to resow a few seeds. John Grimshaw Dr John M. Grimshaw Garden Manager, Colesbourne Gardens Sycamore Cottage Colesbourne Nr Cheltenham Gloucestershire GL53 9NP