Sea kale - Crambe maritima (Care, Characteristics, Flower, Images, Edible)

Sea kale

Also known as: Sea cabbage, Crambe

Sea kale (Crambe maritima) is an herbaceous perennial whose fresh shoots are edible and often blanched and eaten like asparagus. Has powdery-blue foliage with large cabbage-like leaves, and blooms small, fragrant, creamy-white flowers in summer. Grows best in full sun in fertile, well-drained soils.

Scientific classification

Species

Sea kale (Crambe maritima)

Mustards, capers, and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Perennial

Lifespan

Herb

Plant Type

Late spring, Summer

Bloom Time

Spring

Harvest Time

White

Flower Color

Green, Blue, White

Stem Color

Deciduous

Leaf type

5 - 32 ℃

Ideal Temperature

Images of Sea kale

Distribution of Sea kale

Distribution Map

Sea kale is native to coastal regions in Northern and Eastern Europe, where it thrives naturally. Outside its native habitat, the species has been introduced and now exists in parts of Central Europe. Despite being situated beyond its endemic range, sea kale has adapted to these new regions, establishing a secondary presence distinct from its original proliferation in Europe's maritime environments.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Coastal sands, Shingle, Rocks and cliffs, Drift line

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Sea kale

Every week

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from coastal regions, sea kale thrives in well-drained soils with consistent moisture. It prefers regular hydration and should be watered weekly. With a resilient root system, sea kale can endure heavy rainfalls without root rot, making it suitable for outdoor conditions.

Fertilize: To enhance sea kale's growth and leaf production, apply high nitrogen fertilizer early in the season. Use balanced phosphorus and potassium before flowering. Fertilize every 4-6 weeks, adjusting as needed, and reduce in late summer. Always water after fertilizing to prevent root burn.

Pruning: Sea kale is a hardy perennial with edible leaves. Prune old or damaged leaves from early to late spring for new growth and better structure. Using clean tools enhances air circulation, reduces disease risks, and promotes vigor, contributing to a healthy garden presence.

Propagation: Sea kale is a hardy perennial vegetable ideal for coastal areas. Propagate via healthy stem cuttings with roots. Use fertile, well-draining soil and moderate moisture for rooting. Natural light aids growth, enabling sea kale to form extensive colonies for abundant harvests.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free