Botanical Interests
Steel Blue Sea Holly Seeds
Steel Blue Sea Holly Seeds
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Product Details
Product Details
Sea holly brings extraordinary architectural beauty to the garden by day, and wonderment at night as it reflects the silvery moonlight. It blooms profusely through the summer, attracting pollinators and providing garden interest in winter with long-standing blooms. Cut flowers are captivating in fresh or dry arrangements. This tough plant thrives in poor soil, heat, and drought, and even tolerates salty soil as found in coastal areas. Perennial in USDA zones 5–9. Deer and rabbit resistant.
- Variety Info
- Sowing Info
- Growing Info
Variety Info
Family: Apiaceae
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, Heat Tolerant, Deer Resistant, Rabbit Resistant
Sowing Info
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"
Growing Info
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.
