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botanical name:
Crambe maritima
Crambe maritima © Deeproot Plant Base
common name:  Sea kale
family:  Brassicaceae
characteristics: perennial, evergreen
height: 0.75m
width: 0.60m
growth rate: medium
growth habit: mounding
leaf colour: blue-green
flower colour: white
stem/bark: blue-green
main season: Summer
edible symbol edible
aspect: full sun
conditions: dry soil, moist soil, sandy soil, coastal
preferred soil pH: any
minimum temp: -23°C
USDA zone: 6 to 9
description:
Much smaller than C. cordifolia, this is grown as much for its glaucous blue-green foliage as for its flowers which are white, appearing on short, stout stems. The foliage is particularly attractive when it first appears.

cultivation:
Best in very well drained soil and full sun. Usually found wild growling on coastal sand dunes or shingle. Very drought tolerant.

propagation:
From seed or by root cuttings taken in winter.

usage:
Ideal for gravel plantings, especial in coastal areas.
The stems are edible and apparently very tasty when lightly cooked.

other notes:
From the coasts of North West Europe, including Britain, and the Black Sea.

RHS AGM

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