
Sea kale
Crambe maritima L.
- light
- Sun–part
- water
- —
- tall
- 76 cm
- wide
- 46 cm
Brassicaceae
Also called Seakale
Formerly Cochlearia maritima, Crambe suecia, Crucifera maritima
When it flowers
JFMAMJJASOND
Not known yet in the tropics: too few flowering observations to read a season from.
PetsNo pet-safety information yet
PeopleNo safety information yet
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- PerennialKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- Europe to CaucasusKew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from RHS, one source
- Height
- 76 cmRead from RHS and Wikipedia, checked by a majority of its sourcesBacked by both sources. Sources differ: RHS 0.5–1 m; Wikipedia 75–75 cm
- Spread
- 36 cm to 56 cmRead from RHS and Wikipedia, checked: the middle of what its sources sayHalfway between its 2 sources, which differ. Sources differ: RHS 0.1–0.5 m; Wikipedia 60–60 cm
- Coldest it survives
- -20 °C (USDA zone 6b)Read from RHS, one source
Not known yet: water, heat, hottest it survives.
In other languages (5)
- Czech
- katrán přímořský
- German
- Echter Meerkohl, Weisser Meerkohl
- Finnish
- euroopanmerikaali
- French
- chou marin
- Dutch
- zeekool, Zeekool
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- RHS, read 2026-10-25, fact, cited
- Wikipedia, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 2.5
- 3D model: Crambe maritima (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.