With vivid color, 'Black Magic' makes great dried or cut flowers, while edible petals make a stunning garnish to salads, crudités platters, or dinner plates. Bachelor's button, also called cornflower, will "naturalize"; it self-sows for another crop of flowers the following season, and birds love the seed heads! When to Sow Outside: RECOMMENDED. 1 to 2 weeks before your average last frost date, or in late summer/fall for blooms the following season. Mild Climates: Sow in fall for winter bloom. When to Start Inside: 4 to 6 weeks before your average last frost date. Not recommended; does not transplant well. Use biodegradable pots to avoid root disturbance. Days to Emerge: 7–14 days Seed Depth: ¼" Seed Spacing: A group of 3 seeds every 8"–10" Thinning: When 1"–2" tall, thin to 1 every 8"–10"