Attractive Blue-Green Foliage
Produces distinctive large, wavy-edged blue-green leaves that bring unique texture and color to vegetable gardens and ornamental landscapes.
Heirloom Sea Kale Seeds for Sale
Suitable for home gardening use
Regular price
Rs. 17.31 INR
Sale price
Rs. 17.31 INR
Regular price
Tax included.
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Estimated Delivery:Nov 23 - Nov 27
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Product description
Heirloom Sea Kale Seeds
Heirloom Sea Kale, botanically known as Crambe maritima, is a rare perennial vegetable prized for its attractive blue-green foliage, delicate white flowers, and edible young shoots. Native to coastal regions of Europe, this distinctive plant is valued by gardeners for its ornamental appearance and traditional culinary uses. Its broad, wavy-edged leaves create beautiful garden interest, while its fragrant flowers can attract pollinators. Sea Kale is an excellent choice for gardeners interested in unusual perennial vegetables, heritage plants, and coastal-style gardens.
Heirloom Vegetable
Rare Perennial Plant
Edible Young Shoots
Coastal Garden Variety
Key Features
Edible Young Shoots
Young spring shoots can be harvested and prepared as a traditional vegetable. They are often blanched to develop a tender texture and delicate flavor.
Fragrant White Flowers
Produces clusters of small, fragrant white flowers during the flowering season, adding ornamental beauty and attracting beneficial pollinators.
Long-Lived Perennial Growth
Develops into an established perennial plant that can return year after year when grown in suitable soil and climate conditions.
Product Highlights
Traditional heirloom vegetable
Botanical name Crambe maritima
Distinctive blue-green foliage
Edible young spring shoots
Small fragrant white flowers
Long-lived perennial growth habit
Well suited to coastal-style gardens
Prefers sunny growing locations
Adapted to well-drained sandy soil
Attractive to garden pollinators
Specifications
| Scientific Name | Crambe maritima |
| Common Name | Sea Kale; Sea Cabbage; Sea Colewort |
| Plant Family | Brassicaceae |
| Seed Type | Heirloom Vegetable Seeds |
| Plant Type | Herbaceous Perennial Vegetable |
| Growth Habit | Clump-forming perennial |
| Flower Color | White |
| Foliage Color | Blue-green to gray-green |
| Leaf Characteristics | Large, thick, rounded to lobed leaves with wavy edges |
| USDA Hardiness Zones | Generally listed for Zones 5–8; local climate suitability may vary |
| Planting Season | Spring or autumn, depending on local climate |
| Seed Starting | Start indoors in pots or sow outdoors in a prepared seedbed |
| Seed Preparation | Seed pods may require cracking or removal of the hard outer casing, depending on the seed lot |
| Germination Time | Approximately 3–26 weeks; germination can be slow and irregular |
| Germination Temperature | Around 15–21°C (59–70°F), depending on seed condition and propagation method |
| Sowing Depth | Approximately 1–1.5 cm after seed preparation; follow supplier instructions |
| Sunlight | Full sun to partial shade |
| Soil Requirements | Well-drained sandy, loamy, or gravelly soil |
| Watering | Water regularly during establishment; established plants tolerate some dry conditions |
| Flowering Season | Late spring to summer, depending on climate |
| Mature Plant Height | Approximately 50–100 cm |
| Plant Spacing | Approximately 60–90 cm between plants |
| Plant Lifespan | Long-lived perennial under suitable growing conditions |
| Primary Uses | Edible shoots, ornamental gardening, and pollinator-friendly planting |
Growing Guide
Step 1: Prepare the Seeds
Sea Kale seeds are enclosed in a hard, corky outer pod that can affect germination. Depending on the seed lot, carefully crack or remove the outer casing according to the supplier's instructions. Avoid damaging the actual seed inside. Some seed lots may benefit from additional preparation to improve germination.
Sea Kale seeds are enclosed in a hard, corky outer pod that can affect germination. Depending on the seed lot, carefully crack or remove the outer casing according to the supplier's instructions. Avoid damaging the actual seed inside. Some seed lots may benefit from additional preparation to improve germination.
Step 2: Prepare the Soil
Choose a sunny garden location with deep, well-drained sandy or loamy soil. Sea Kale prefers good drainage and can tolerate relatively poor soil once established. Avoid areas where water collects for extended periods.
Choose a sunny garden location with deep, well-drained sandy or loamy soil. Sea Kale prefers good drainage and can tolerate relatively poor soil once established. Avoid areas where water collects for extended periods.
Step 3: Sow the Seeds
Sow prepared seeds approximately 1–1.5 cm deep in individual pots or a suitable outdoor seedbed. Lightly cover with growing medium and water gently. Keep the soil consistently moist but not waterlogged. Germination can be slow and irregular, so patience is important.
Sow prepared seeds approximately 1–1.5 cm deep in individual pots or a suitable outdoor seedbed. Lightly cover with growing medium and water gently. Keep the soil consistently moist but not waterlogged. Germination can be slow and irregular, so patience is important.
Step 4: Provide Suitable Growing Conditions
Place seed pots in a bright location with suitable temperatures for germination. Once seedlings develop a few true leaves, carefully transplant them into individual pots if necessary. Gradually acclimatize young plants before moving them outdoors.
Place seed pots in a bright location with suitable temperatures for germination. Once seedlings develop a few true leaves, carefully transplant them into individual pots if necessary. Gradually acclimatize young plants before moving them outdoors.
Step 5: Maintain and Establish the Plants
Transplant established seedlings into their permanent growing location, allowing approximately 60–90 cm between plants. Water regularly during the first growing season and protect young plants from slugs and other garden pests. Allow plants time to establish before beginning shoot harvesting.
Transplant established seedlings into their permanent growing location, allowing approximately 60–90 cm between plants. Water regularly during the first growing season and protect young plants from slugs and other garden pests. Allow plants time to establish before beginning shoot harvesting.
Grow Something Special with Heirloom Sea Kale
Bring a touch of heritage gardening to your outdoor space with Heirloom Sea Kale Seeds. Known for its attractive blue-green leaves, fragrant white flowers, and traditional edible spring shoots, Sea Kale is a distinctive addition to perennial vegetable gardens. With well-drained soil, adequate sunlight, and patience during germination, you can establish this unusual and long-lived garden plant. Start growing a traditional coastal vegetable and enjoy its unique combination of ornamental and culinary appeal.
Frequently Asked Questions
Discover helpful answers about growing Heirloom Sea Kale Seeds, improving germination, harvesting edible shoots, and caring for this unusual perennial vegetable.
How do you improve germination of Sea Kale seeds?
Sea Kale seeds are enclosed in a hard outer pod that can make germination slow and irregular. Depending on the seed lot, carefully cracking or removing the outer casing may help improve germination. Sow the prepared seeds in suitable growing medium and maintain consistent moisture. Germination may take several weeks or longer, so avoid discarding pots too early.
Can you eat Sea Kale, and which parts are edible?
Yes. Sea Kale is a traditional perennial vegetable. Its young spring shoots, unopened flower buds, and suitable young leaves are used in cooking. The shoots are traditionally blanched by excluding light to produce a tender texture and milder flavor. Always confirm the plant's identity before eating and harvest conservatively from established plants.
Is Sea Kale a perennial vegetable, and will it grow back every year?
Sea Kale (Crambe maritima) is a long-lived herbaceous perennial. Once established in suitable growing conditions, it can return each year and produce fresh foliage and young shoots during the growing season. Well-drained soil, adequate space, and protection from excessive moisture help maintain healthy perennial growth.