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PlantSnap
Plant Care
Sea kale
(Crambe maritima)
Also Known As
Sea kale, Crambe, Kale of the sea
About This Plant
Crambe maritima is a perennial herbaceous plant that belongs to the Brassicaceae family. It has large, fleshy, blue-green leaves that grow in a rosette shape. The plant produces a tall stem that can reach up to 3 feet (91 cm) in height, topped with clusters of small white flowers. It is commonly known as sea kale.
Plant Care Instructions
Outdoor Size Range
18-36 inches (45-91 cm)
Light Requirements
Crambe maritima prefers full sun to partial shade, but it can tolerate shade.
Humidity Needs
This plant is not particularly sensitive to humidity and can tolerate a wide range of levels.
Fertilizing Schedule
Sea kale prefers a well-draining soil that is rich in organic matter. Fertilize the plant in the spring with a balanced fertilizer.
Pruning Guidelines
Prune the plant in the spring to remove any dead or damaged leaves and stems. This will encourage new growth.
Common Pests and Diseases
Crambe maritima is not commonly affected by pests or diseases.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
Sea kale needs moderate watering, especially during hot and dry weather. It is important not to overwater the plant as it can lead to root rot.
Temperature Range
Crambe maritima is hardy and can tolerate temperatures as low as -20°F (-29°C) and as high as 90°F (32°C).
Growing Season
The growing season for sea kale is from early spring to late summer.
Growing Difficulty Level
Sea kale is relatively easy to grow and maintain.
USDA Hardiness Zones
Sea kale is hardy in USDA zones 4-9.
Did You Know?
Sea kale was once a popular vegetable in Victorian England and was often served in high-end restaurants. It has a mild, nutty flavor and is similar in taste to asparagus.
