I may be wrong but I believe Iris "Halkis" is a wild selection of Iris reticulata made by Norman Stevens, named for the place it was found. Try potting I winowgradowii in leaf mould with some fertiliser Jane. Peter (UK) On Thu, Feb 16, 2012 at 7:55 PM, Jane McGary <janemcgary@earthlink.net>wrote: > > In addition to the reticulate irises other correspondents mention, I > have one in flower here called 'Halkis', which was given me some > years ago by Wim de Goede. It is a very attractive bicolored flower > with little or no yellow in the markings. I don't know whether it's a > species selection or a hybrid. Does anyone know? >