White Flower Sea Kale Seeds - Vegetable Plant

White flower sea kale is a hardy perennial coastal vegetable grown for both its edible shoots and its attractive white flower clusters. It is a traditional edible plant suited to coastal environments, thriving in sandy soils, salt spray, and windy conditions. In addition to its edible uses, it is often grown as an ornamental edible plant in permaculture and coastal garden designs.

Features

• Perennial coastal vegetable and ornamental plant
• Produces edible blanched shoots and leaves
• Attractive clusters of white flowers in blooming season
• Highly tolerant of salt, wind, and poor sandy soils
• Long-lived and low-maintenance garden plant

Specifications

• Scientific Name: Crambe maritima
• Common Name (US): Sea Kale
• Plant Type: Perennial vegetable
• Seed Type / Variety: White Flowering Variety
• 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 habit
• Plant Spacing: 60–90 cm between plants