Poppy Iceland Mix - Flower SeedsOverview Iceland Poppy Mix (Papaver nudicaule) is a popular variety of the poppy plant. These plants are native to the subarctic regions of Europe, Asia, and North America, and are grown as annuals or biennials in other parts of the world. Iceland poppies grow to a height of about 12 24 inches and produce large, delicate flowers that can be pink, orange, yellow, white, or red. They prefer cool temperatures and full sun, and are often planted in early