(syn: Cypella plumbea) Cypella coelestis is a little-known but highly prized South American bulb. The pleated, blue-green foliage on this iris relative most closely resembles that of a young palm tree. From midsummer onward, the easy-to-grow Cypella coelestis is topped with blue, goblet-shaped flowers on sturdy but airy, 2' tall stems. Each flower has 6 petals: 3 large blue-lavender ones and 3 smaller tricolor ones of white, yellow, and blue. Although each goblet flower lasts only one day, the succession of flowers will provide color for several months. Cypella coelestis is quite unique and quite wonderful in a well-drained sunny spot in the garden!