The listing, Bachelor Button Seeds, "Blue Boy" Centaurea cyanus has ended.
This auction is for approximately 30 Bachelor's Button Blue Boy (Centaurea cyanus) seeds.
Annual. In addition to the dazzling sky blue flowers, Bachelor’s Button Blue Boy (also known as cornflower) is also drought tolerant. Flowers can be used dried or fresh cut, while the edible petals make a stunning garnish. Bachelor’s button will “naturalize”; it self-sows the next year for another crop of blue flowers.
Full Sun
Blooms summer
2' – 3' tall
Days to Emerge:
7 – 14 days
Seed Depth:
1/4"
Seed Spacing:
A group of 4 seeds
every 6" - 8"
Thinning:
When 1" - 2" tall,
thin to 1 every 6" to 8"
When to sow outside: RECOMMENDED. 1 to 2 weeks before average last frost. Sow in late summer to early fall in mild climates for winter bloom. Easy to grow outdoors from seed.
When to start inside: 4 to 6 weeks before average last frost. Does not transplant well.
Source: http://www.botanicalinterests.com/products/view/1002/Bachelor-s-Button-Blue-Boy-HEIRLOOM-Seeds
To avoid transplanting problems, I recommend sowing the seeds directly into the soil or pot where you wish the plants to grow permanently.