Sea kale
6Will it grow where I live?
Sea kale is hardy to zone 4 – that covers all of Central Europe and the British Isles, and every USDA zone from 4 upwards.
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Profile
- Family
- Brassicaceae
- Habit
- perennial
- Height
- 2 m
- Spread
- 1.5 m
- Growth
- fast
- Lifespan
- 10 years
- First yield
- after 2 years
- Hardiness
- zone 4–8
- Shade tolerance
- light shade
- Soil
- Sand, Silt, Loam, Clay
- Soil moisture
- moist – very wet
- pH
- 6 – 7.8
Uses
Frequently asked questions
Sea kale: how big does it get?
Sea kale (Crambe maritima) grows as a perennial and reaches roughly 2 m in height when mature, with a spread of about 1.5 m. Growth is fast.
Sea kale: what site does it need?
Sea kale tolerates light shade. Suitable soils are Sand, Silt, Loam, Clay. Soil moisture should be in the range moist – very wet. The pH may lie between 6 and 7.8.
Sea kale: is it hardy?
Sea kale is listed as hardy in zone 4–8 and survives normal winters outdoors there.
Sea kale: will it grow in Central Europe?
Sea kale is hardy to zone 4 – that covers all of Central Europe and the British Isles, and every USDA zone from 4 upwards.
Sea kale: is it poisonous?
No toxicity is recorded for Sea kale. With wild plants, never rely on a database alone — only on a confident identification.
Sea kale: what is it used for?
Rated on a scale up to 10: Medicinal 6/10.
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