- Variety Info
- Sowing Info
- Growing Info
Native: Europe and Asia
Hardiness: Perennial in USDA zones 5–9
Exposure: Full sun
Bloom Period: Summer to frost
Plant Dimensions: 24"–48" tall
Variety Info: ½"–1" flower heads made up of many tiny flowers start out green and turn to silvery-blue as the flowers open.
Attributes: Attracts Pollinators, Cut Flower, Drought Tolerant
When to Sow Outside: Sow in fall or late winter.
When to Start Inside: RECOMMENDED: 10 to 12 weeks before your average last frost date. Ideal soil temperature for germination is 70°–75°F.
Days to Emerge: 7–90 Days
Seed Depth: Press into surface
Seed Spacing: A group of 3 seeds every 18"–24"
Thinning: When 1" tall, thin to one every 18"–24"
Harvesting: For longest vase life, harvest in the morning and change vase water frequently. For Drying: Harvest flowers when they are green; they will resist turning brown over time.