Cerinthe - Key Growing Information
DAYS TO GERMINATION: 5-21 days at 65-85°F (18-29°C).
SOWING: Transplant (recommended): Sow 6 weeks before last frost directly into cell packs. Harden off and transplant outside after the last frost.
Direct seed: Sow seeds 1/4" deep after last frost.
GROWING ON: Grow at 65-75°F (18-29°C). Fertilize regularly.
LIGHT PREFERENCE: Sun.
SOIL REQUIREMENTS: Well-drained soil of moderate fertility.
PLANT SPACING: 12-18".
HARDINESS ZONES: Annual.
HARVEST: Fresh: Harvest when bracts darken to blue and flowers are purple.
USES: Cut flowers, beds, and borders. Attracts bees and hummingbirds.
SCIENTIFIC NAME: Cerinthe major purpurescens
ALTERNATE NAMES: Honeywart