I've >yet to figure out exactly what it needs. And I believe that I am not alone >in having difficulty keeping it going. I've tried this plant from several sources but only Kirstenbosch-1999 seed is living long enough to flower. Hand pollination has yielded seed. They are in half sand, half peat-lite mix, grown "hard" (rootbound, low fertilization, water stress during late winter/early spring) and not disturbed when potting on. Outdoors, try it in a crevice. Mark Mazer Hertford, North Carolina USA Zone 7b-8, I think