Sea Kale
Crambe maritima
Sea Kale is a perennial for focal point, mid-border, suited to full sun and loam, sandy soil or chalk, flowering May, Jun, Jul.
| Type | Perennial |
|---|---|
| Mature height | 60 cm |
| Spread | 75 cm |
| Aspect | full sun |
| Foliage | Deciduous |
| Hardiness | USDA 4a-8b, RHS H7 |
| Pollinator-friendly | Yes |
| Pet-safe | Not confirmed |
Where to use it in a border
At around 60 cm, it sits best toward the back of a border, or on its own as a focal point with room around it. Give it about 75 cm of room to spread. It is hardy across USDA zones 4a to 8b and rated H7 by the RHS, so check it suits your area before planting.
It appears in our lists of full sun, sandy soil, chalk soil, pollinator-friendly plants.
Border Builder uses Sea Kale's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
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Worth knowing
- Its flowers are valued by bees and other pollinators.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- Bee's Bliss Sageto edge in front
- Black Sagefor height behind it
- CA Meadow Sedgeto edge in front
- Catalina Perfumeto edge in front
- Cedros Island Verbenato edge in front
- Coast Silktasselfor height behind it