Hello mary DSue, The ones I recommend are: T. clusiana clusiana, sylvestris, praecox, agenense. T creticum, orphanidea. "simple tardives" (literally: 'single late') Maureen, T saxastilis, T linifolia T clusiana chrysantha T clusiana stellata, T whitalli Greetings Lauw de Jager South of France T klinufgolia, saxastili Lia-----Original Message----- you told us the ones you tried. Were they all successful? If not, which ones were?