Centaurea cyanus (Bachelor buttons) Blue Boy

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Centaurea cyanus are also known as a bachelor buttons or cornflower because of their prevalence in cornfields in their native Europe. Gardeners who grow Centaurea cyanus(bachelor b uttons) often find delight in their ease of care and hardy nature. Bachelor’s buttons can be planted in spring everywhere as soon as the soil can be worked–even before your last frost date! Warm climate gardeners, about USDA zone 7 or higher, can often seed them in the fall. It is suited to a wide range of soil conditions. It seldom requires supplemental irrigation. In most regions, rainfall will be more than sufficient in meeting the needs of the plant. They are not perennials but do reseed readily. There are 50 seeds in package. Annual Height: 12-36 inches (30-91 cm) Sow - 5-8 cm deep Days to germination - 7-10 days (25 C) Days to maturity - 65-75 Show more