Cerinthe Seeds – Blue Shrimp

Cerinthe ‘Blue Shrimp’ is an elegant and distinctive plant that produces unique, pendulous blue to purple bracts that resemble tiny shrimp. Known for its waxy foliage and metallic-blue flowers, this variety adds an exotic touch to any garden. Highly attractive to bees and hummingbirds, Cerinthe thrives in sunny locations and well-drained soil. It’s a low-maintenance annual that performs beautifully in flower borders, containers, or as a striking cut flower.

Features:

• Produces unusual blue-purple bracts with vivid hues.

• Waxy gray-green leaves add an ornamental texture to garden beds.

• Long-lasting blooms that attract bees, butterflies, and hummingbirds.

• Excellent for cut flower arrangements and mixed borders.

• Tolerates dry conditions once established.

• Easy to grow from seed and requires minimal care.

Specifications:

• Scientific Name: Cerinthe major purpurascens

• Common Name (US): Honeywort

• Plant Type: Annual

• Bloom Color: Blue to purple bracts with greenish-blue leaves

• Plant Height: 18–24 inches (45–60 cm)

• Sunlight Requirement: Full Sun to Partial Shade

• Soil Type: Well-drained, moderately fertile soil

• Watering: Moderate; avoid overwatering

• Germination Time: 14–21 days

• Days to Bloom: 60–80 days from sowing

• Sowing Method: Direct sow after last frost or start indoors 4–6 weeks earlier

• Spacing: 12–15 inches apart

• Growing Season: Spring to Early Fall

• USDA Hardiness Zones: 3–10 (grown as annual in colder zones)

• Best Planting Months (by Zone):

  • Zones 3–5: May to June

  • Zones 6–8: April to May

  • Zones 9–10: February to March

• Use: Flower borders, pollinator gardens, container planting, and cut flower displays