Heirloom Sea Kale Seeds - Vegetable Plant

Heirloom sea kale is a long-lived perennial vegetable traditionally grown in coastal Europe. It produces edible blanched shoots, young stems, and tender leaves harvested in early spring. This heirloom variety is valued for its historical cultivation, resilience, and ability to thrive in harsh coastal environments such as sandy soils, wind, and salt spray.

Features

• Traditional heirloom perennial vegetable
• Produces edible blanched shoots and young leaves
• Highly tolerant of salt, wind, and coastal conditions
• Long-lived, low-maintenance edible plant
• Suitable for heritage and permaculture gardens

Specifications

• Scientific Name: Crambe maritima
• Common Name (US): Sea Kale
• Plant Type: Perennial vegetable
• Seed Type / Variety: Heirloom Seeds
• USDA Zones: 4-8
• Planting Season: Spring or autumn
• Growing Season: Cool season perennial growth
• Seed Germination Time: 2–6 weeks (cold stratification 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 habit
• Plant Spacing: 60–90 cm between plants