Cornflower Black Ball Centaurea Cyanus is an easy to grow hardy annual. Black Ball Cornflower seeds are one of the easiest flower seeds to grow. Commonly known as Bachelor's Button, this particular variety is a tall plant that produces stunning, dark rich purple, almost black, double flowers on a top of attractive silvery foliage. Cornflower Black Ball blooms all summer and into fall providing unique and exotic color to the garden and attracting butterflies along with other pollinators.
