Botanical Name: Dianthus barbatus
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″