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Crambe maritima

Blue Sea Kale

It forms sprays of off-white flowers, however, is more well known for its large, cabbage-like, powdery-blue foliage.

  • »  Although this plant is edible, it is primarily grown for its aesthetic appeal
  • »  Clusters of white flowers are held on sturdy stems
  • »  Leathery, ruffled, blue foliage
  • »  Bloom Time: Early to midsummer

1gal
$23.63
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  • Category:Perennials
  • Hardiness Zone:4
  • Height:60-90 cm
  • Spread:50-60 cm
  • Bloom Color: White
Exposure
• Full Sun
• Partial Sun/Shade
Soil Moisture
• Moist to Average
• Average to Dry Soils
• Well-drained
Growth Rate
• Medium
Attributes
• Cut Flower/Foliage
• Edible
• Drought Tolerant
• Fragrant
• Salt Tolerant
Flowering Time
• Summer
Habit
• Clumping
• Upright
Foliage Color
• Blue
Landscape uses
• Herbal garden
• Rock garden
Planting instructions
• Container Plants
Growing & Maintenance Tips for Crambe maritima

Grows best in a rich, fertile, average to moist soil, that is well-drained. Thrives in full sun, but does well in partial shade. Once established, it becomes quite drought tolerant due to the deep, taproots. Best left undisturbed once established. Naturally found along seashores and is considered to be salt tolerant.