Common Name: Siebold HostaScientific Name Genus: HostaFamily Name: LiliaceaeIdentification NotesSiebold Hosta is a good example of large Hostas and "blue" Hostas. great specimen plant.Growth Habitlarge to very large. Leavesbasal, ovate, up to 12 inches wide; gray-green color with a waxy blue covering. Flowersfunnelform, about 2 inches long, white. Flower stalks are a very short barely above the foliage.