Lathyrus grandiflorus
Lathyrus grandiflorus, two-flowered everlasting pea, is a species of flowering plant in the family Fabaceae, native to southern Europe. Growing to tall, it is a twining herbaceous perennial with grey-green leaves and, in late summer, bright, magenta-pink flowers, the central keel a darker red. Unlike its cousin, the annual sweet pea, it is unscented. Once established it is a robust plant with the ability to scramble into other shrubs and trees. It is very hardy, down to, so is capable of surviving conditions in most temperate regions of the world.
In the UK it has gained the Royal Horticultural Society’s Award of Garden Merit.