Crambe cordifolia, the greater sea-kale, colewort or heartleaf crambe ( syn. Crambe glabrata DC.), is a species of flowering plant in the family Brassicaceae, native to the Caucasus. It has gained the Royal Horticultural Society's Award of Garden Merit.
The Latin specific epithet cordifolia, meaning 'heart-shaped', refers to the leaves.
Growing to 2.5 m (8 ft) tall by 1.5 m (5 ft) broad, it is a substantial clump-forming herbaceous perennial with kidney-shaped dark green leaves, 35 cm (14 in) or ...