Dark maroon flowers against purple-tinged leaves will draw you in to touch and admire. 'Black Adder' is a quick to bloom variety, blooming its first year when sown indoors. Low maintenance and beautiful in rock gardens and containers, too! In the kitchen, enjoy the edible flowers in desserts, salads, and sauces. Resow every year so you'll be sure to always have flowering plants.
• Botanical Name: Dianthus barbatus
• Family: Caryophyllaceae
• Native: Europe, Asia
• Hardiness: Biennial or short-lived perennial in USDA zones 3–9.
• Plant Dimensions: 16"–20" tall, 12" wide
• Variety Information: ½" dark maroon flowers in densely packed, flattened clusters (3"–5" diameter)
• Exposure: Full sun to part shade
• Bloom Period: Spring to early summer
• Attributes: Attracts Pollinators, Deer Resistant, Good for Containers
• When to Sow Outside: 1 to 2 weeks after your average last frost date. Sow up until early summer for bloom the following year. Optimal soil temperature for germination is 68°–72°F.
• When to Start Inside: 8 to 10 weeks before your average last frost date.
• Days to Emerge: 5–10 days
• Seed Depth: ¼"
• Seed Spacing: A group of 3 seeds every 12"
• Thinning: When ½" tall, thin to 1 every 12"