Cornflower Seeds – Centaurea cyanus Flower Plant

Cornflower is a cool-season flowering annual known for its vibrant blooms and upright growth habit. Plants produce abundant flowers on slender stems, making them suitable for borders, cottage gardens, wildflower plantings, and cutting gardens. This species adapts well to a variety of well-drained soils and performs best in sunny locations. Cornflower is valued for its extended flowering period and its ability to attract pollinators to ornamental landscapes.

Features

• Upright annual flowering plant
• Produces colorful blooms throughout the season
• Suitable for borders, cottage gardens, and wildflower plantings
• Commonly grown in cutting gardens
• Adapted to cool and moderate growing conditions
• Attracts pollinators to garden spaces
• Performs well in well-drained soils

Specifications

• Scientific Name: Centaurea cyanus
• Common Name (US): Bachelor's Button
• Seed Type / Variety: Centaurea cyanus
• Growth Habit: Upright annual
• USDA Zones: 2-11
• Planting Season: Spring or Fall
• Growing Season: Spring through Summer
• Sowing Season: February-April and September-November
• Germination Time and Conditions: 7-14 days at 60-70°F (16-21°C)
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained soil; adaptable to average garden soils
• Watering Needs: Moderate watering; allow soil surface to dry slightly between waterings
• Mature Plant Size: 18-36 inches tall, 12-18 inches spread
• Plant Spacing: 6-12 inches apart