Bachelor Button Seeds- Double Ball Black -,Centaurea Cyanus

Centaurea cyanus 'Tall Double Ball Black' — Black Ball Bachelor's Button — is a dramatic, easy-to-grow tall cornflower with deep, rich claret blooms as close to true black as possible in the flower world. A statement-maker in traditional cottage gardens and an exceptional cut flower, Black Ball adds depth and sophistication to summer borders and mixed bouquets. Native to much of the United States. Deer resistant.

Plant Highlights

• Deep claret-black blooms — among the darkest cornflowers available; striking in the garden and in cut arrangements
• Tall, upright habit to 32 inches — excellent back-of-border specimen
• Outstanding cut flower; long-lasting in the vase
• Highly attractive to bees and butterflies; deer resistant
• Self-sows readily; drought tolerant once established

Growing Guide

Sowing outdoors: Direct-sow in early spring as soon as soil can be worked. Loosen and weed the seedbed; sow 6 seeds per foot and cover ¼ inch deep. Thin seedlings to 6–12 inches apart. In mild winter climates, sow in fall for very early spring blooms.

Site and soil: Full sun in mild climates; partial shade in hot regions. Well-drained soil, pH 6.6–7.8. Tolerates a wide range of soils and drought once established; performs best with moderate water in mild climates. Self-sows for natural return the following season.

Planting Specs

• Type: Annual (self-sowing)
• USDA Zones: 3–10
• Height: 32 inches
• Bloom season: Late spring to early fall
• Bloom color: Deep claret-black
• Light: Full sun to partial shade
• Soil: Well-drained, pH 6.6–7.8
• Deer resistant: Yes
• Germ temp: 65°F | Avg. germ time: 14–21 days
• Planting depth: ¼ inch
• Sowing rate: 6 seeds per foot | 10–12 seeds per plant
• Spacing: 6–12 inches