Centaurea cyanus - Web page Navigation - Bachelors Buttons, Cornflower, Garden Cornflower Page

Centaurea cyanus, commonly known as Cornflower or Bachelor's Button, is a captivating annual plant in the Asteraceae family, ideal for adding vibrant color and charm to any garden. Originating from Europe and Western Asia, this hardy plant thrives across zones 2 to 11, reaching heights of 1 to 3 feet with a spread of 1 to 2 feet. Its striking blue, sometimes pink, lavender, white, or maroon double, daisy-like flowers are not only visually appealing but also a beacon for butterflies, birds, and beneficial pollinators.

Blooming from May to July, Cornflowers prefer full sun but can tolerate light shade, although excessive shade may cause stems to droop. They flourish in average, medium moisture, well-drained soils and can tolerate poor soil conditions without the need for fertilizers. Minimal maintenance is required, with some taller varieties benefiting from staking. Though drought-tolerant, regular watering enhances plant health.

Ideal for borders, cottage gardens, prairies, and cutting gardens, they also excel in containers. The plant’s robust nature makes it resistant to most pests, though occasional vigilance for aphids and mealybugs is advisable. Cornflowers can reseed and naturalize easily; however, deadheading may be necessary to control self-seeding unless attracting birds and insects is desired.

Easy to propagate, you can start seeds indoors 6-8 weeks before the last frost or plant them directly in mild climates. Embrace the enduring allure and resilience of Centaurea cyanus for a garden that resonates with timeless beauty and ecological harmony.