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A picture of a Rock Samphire

Rock Samphire

Crithmum maritimum

Also known as

Sea Fennel

Photo by CandideUK (All rights reserved)

Full Sun
Easy care
Light watering
Frost Hardy


USDA zone


Minimum temperature

Expected size








2 years to reach maturity


  • spring
  • summer
  • autumn
  • winter

This plant has a mild fragrance

Rock Samphire Overview

Crithmum maritimum is a low-growing evergreen woody-based perennial with mid-green slender, rounded to triangular-shaped succulent leaves. From mid-spring until early autumn, green-yellow umbel flowers are produced. Commonly known as Rock Samphire, this maritime herb has a bushy habit and can be found across Europe in rocky coastal areas. Preferring full sun, this plant will thrive in well-drained soil and likes to dry out between waterings. Reported to have a flavour between asparagus and seaweed, this prized coastal herb can be easily grown in containers of gritty compost. Sow seeds under cover in early spring, moving out after the last frost. Young leaves and stems can be harvested throughout the summer.

How to propagate Rock Samphire


Special features of Rock Samphire

Attractive leaves

Attractive flowers

Attracts useful insects

Pot plant

Drought resistant

Other uses of Rock Samphire

Wildflower/meadow, culinary, medicinal. Suitable for coastal conditions.


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