50-60 Days to maturity. Centaurea cyanus. Bachelor Button Seeds. Non-GMO, Open-Pollinated, Annual. Bachelor Button is a drought-tolerant annual native to Europe. The flower is the original deep blue hue that songs have been written about. The foliage is silvery green/blue due to a proliferation of tiny white hairs on the leaves and stems. Bachelor Button makes an excellent cut flower that keeps its color when dried. Approximately 5,600 seeds/oz.