50 Seeds White Cloud Double Peony Papaver Self-Seeding Annual Flower Easy from seed! This white peony has huge, velvety double blooms of pure white which are 4-5 inches across. These beautiful and unique flowers are packed with ruffled, whorled petals that glow in the summer sun. Besides being stunningly gorgeous they are easy to grow. Will reach a height of 3-4 feet. Just water them and they will reward you with incredibly beautiful flowers all summer long. They re-seed, so are technically annuals because new plants grow the following year. Their stems are strong making them ideal for cuttings. They prefer full sun or partial shade.