Crithmum maritimum
rock samphire
A hairless native perennial commonly known as rock samphire or sea fennel, reaching 40cm in height bearing umbels of greeny yellow flowers from April to September. It is succulent in nature with leaves triangular in cross section
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
5–10 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green Yellow | Green | ||
| Autumn | Green Yellow | Green | ||
| Winter | Green |
Position
- Full sun
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Apiaceae
- Native to the UK
- Yes
- Foliage
- Evergreen
- Habit
- Bushy
- Genus
Crithmum are low-growing annuals or perennials reaching around 30cm in height. They have woody stalks with fleshy, divided leaves and white to greenish-yellow flowers. Plants within the genus are often used for their trailing habit or ground cover.
- Name status
Correct
How to grow
Cultivation
Naturally occurs in coastal grassland, and rocky cliff places
Propagation
Propagate by seed sown in autumn
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Gravel garden
- Wildlife gardens
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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