This grower is sure of this plant identification.
Seedlings grown this year. Well rooted spares
Morina longifolia (Whorlflower). The plant will grow about 1.2m tall. The foliage is mainly basal and spiny. The flowers are pure white and then turn deep pink.
They prefer full sun and very well-drained soil that is enriched with compost.
Grown for its thistle-like foliage and its flowers. Suitable for coastal conditions.