Common Crambe maritima Seeds - Vegetable Plant

Common Crambe maritima, also known as sea kale, is a hardy perennial vegetable native to coastal regions of Europe. It is grown for its edible blanched shoots, young stems, and tender leaves, which are traditionally harvested in spring. The plant is highly tolerant of salty air, wind, and sandy soils, making it ideal for coastal gardens and low-maintenance edible landscapes.

Features

• Hardy perennial edible plant
• Produces blanched spring shoots and edible leaves
• Excellent tolerance to salt, wind, and coastal conditions
• Long-lived perennial vegetable once established
• Suitable for permaculture and edible landscaping

Specifications

• Scientific Name: Crambe maritima
• Common Name (US): Sea Kale
• Plant Type: Perennial vegetable
• Native Range: Coastal Europe
• USDA Zones: 4-8
• Planting Season: Spring or autumn
• Growing Season: Cool season perennial growth
• Seed Germination Time: 2–6 weeks (cold stratification often recommended)
• Germination Conditions: Cool, moist, well-drained soil
• Sunlight Requirements: Full sun to partial shade
• Soil Requirements: Sandy, well-drained, often alkaline soils
• Watering Needs: Low to moderate; drought tolerant once established
• Mature Plant Size: 30–90 cm height, spreading growth
• Plant Spacing: 60–90 cm between plants