Honeywort Cerinthe major This gorgeous green, blue, and purple stemmed plant makes a great early season bouquet filler. Stems fade from green to blue to purple and have almost a silver tint to them. Popular with the pollinators too! Annual Cut Flower Height: 28-32” tall Prefers Full Sun Days to maturity: 65-70 days Plant spacing: 9-12” Pinch: not necessary Approximately 25 seeds per packet. How to Grow: Start seed indoors 6 weeks before last frost. Transplant out after danger of frost has passed.