Columbine, “Rocky Mountain Blue” Seeds
The state flower of Colorado, Rocky Mountain Blue is a beautiful heirloom addition to your perennial garden. Along with the dazzling pale violet and white, long-lasting blossoms, it has delicate, beautiful, blue-green foliage, somewhat like maidenhair fern. At home in part shade as well as full sun. Use in rock gardens, borders, and as a cut flower. North American native wildflower.
150 mg packet.
When to Sow Outside: 4 to 6 weeks before your average last frost date, 6 to 8 weeks before your average first frost date.
When to Start Inside: RECOMMENDED. 10 to 12 weeks before your average last frost date.
Days to Emerge: 21–25 days
Seed Depth: Surface
Seed Spacing: A group of 3 seeds every 12″–24″
Thinning: When 2″–3″ tall, thin to 1 every 12″–24″