Vibrant Blue Blooms
Produces distinctive blue flowers with fringed petals that bring cheerful color to ornamental garden displays.
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Bachelor Button Cornflower, commonly known as cornflower or bachelor's button, is an attractive annual flowering plant valued for its vivid blue blooms and delicate, fringed petals. It adds natural color to cottage gardens, flower borders, meadow plantings, and cut-flower arrangements. This easy-to-grow ornamental flower thrives in sunny locations with well-drained soil and can attract bees and other pollinators to the garden.
Produces distinctive blue flowers with fringed petals that bring cheerful color to ornamental garden displays.
Grows well in sunny locations with suitable soil drainage and regular care throughout the growing season.
Adds attractive color and texture to fresh floral bouquets and informal flower arrangements.
Flowering plants can provide a useful nectar and pollen source for bees and other visiting pollinators.
| Scientific Name | Centaurea cyanus |
| Common Name | Bachelor's Button; Cornflower |
| Plant Family | Asteraceae |
| Seed Type | Annual Ornamental Flower Seeds |
| Growth Habit | Upright, branching annual flowering plant |
| Flower Color | Typically bright blue; other colors occur in selected cultivars |
| USDA Hardiness Zones | Generally grown as an annual; seasonal performance varies by climate |
| Planting Season | Early spring or fall in suitable climates |
| Seed Starting | Direct sow outdoors or start in containers with minimal root disturbance |
| Germination Time | Approximately 7–14 days under suitable conditions |
| Germination Temperature | Approximately 60–70°F (16–21°C) |
| Sunlight | Full sun preferred; light shade may be tolerated |
| Soil Requirements | Well-drained soil with moderate fertility |
| Watering | Keep soil evenly moist during establishment; avoid waterlogging |
| Mature Plant Size | Approximately 1–3 feet tall, depending on cultivar and conditions |
| Plant Spacing | Approximately 6–12 inches, depending on cultivar and growing conditions |
Grow Bachelor Button Cornflowers for their distinctive blue blooms, delicate petals, and classic cottage-garden charm. With adequate sunlight, well-drained soil, and suitable watering, these annual flowers can brighten garden borders, meadow-style plantings, and fresh-cut floral arrangements.
Discover helpful answers about growing Bachelor Button Cornflowers, flowering conditions, and garden care.
In many temperate climates, Bachelor Button seeds can be sown outdoors in early spring as soon as the soil is workable. Fall sowing is also possible in suitable regions. In warmer climates, choose a locally appropriate cooler growing season. Follow regional planting recommendations for the best results.
Bachelor Button Cornflower seeds commonly germinate in approximately 7–14 days under suitable conditions. Germination depends on seed freshness, soil temperature, moisture, and planting depth. Keep the soil lightly moist while the seeds establish, without allowing it to become waterlogged.
Bachelor Button Cornflower, Centaurea cyanus, is generally grown as an annual. However, plants may reseed themselves when flowers are allowed to mature and drop seeds in suitable conditions. Self-seeding depends on the climate, garden management, and whether the seeds remain viable.