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Rarely encountered in gardens this is native to rocky shaded slopes in northern Albania, it is similar to carinthiaca with attractive spikes of blue flowers over clumps of hairy leaved foliage.____ZONE 5

Google comes up blank on the genus as well as the species, I don’t have a clue either but somebody liked it enough to collect seeds.____ZONE 5

Pure white Calla these are the hardiest type. Here is a post from one of the aroid forums ---thought I would inform Calla Lily lovers in cold climates of a species/form that will grow where winters can be cold. I live outside of Buffalo, NY (zone 6) and planted Z. aetheopica 'Crowborough' form. It survived the winter of 2006/07 and is beginning to put on good healthy vigorus growth. I was very casual about protecting it as our winter began extremely mild. That changed in the middle of January, however it still survived! We get snow cover that acts as insulation. I bought it from Arrowhead Alpines. It has not bloomed yet, but possibly this summer.____ZONE 6

A hardy ginger form japan and korea with exotic looking edible yellow flowers it is hardy to at least -15f apparently it's grown for its flower buds. Before they open, picked and used in stir frys, with a milder flavor than the more familiar spicy ginger root (Z. officinale).____ZONE 6