This is Alstroemeria psittacina, also known as Peruvian lily, Parrot flower, Parrot lily, Lily of the Incas, and Princess lily. The bloom on this plant is one of the most brilliant and explosive shows around. The colors are many, and the blossom is breath taking. This perennial plant likes to live in sun or partial shade, and blooms in the middle of the Summer. It is the larval host plant for the Grass Eggar moth.USDA Hardiness Zones 7 to 10.