About Lathyrus grandiflorus Sm.
Taxonomy and Common Names
Lathyrus grandiflorus, commonly known as two-flowered everlasting pea, is a flowering plant species in the legume family Fabaceae that is native to southern Europe.
Growth Habit
This plant is a twining herbaceous perennial that grows up to 2 metres (6.6 feet) tall.
Foliage and Flower Characteristics
It has grey-green leaves, and produces bright magenta-pink flowers with a darker red central keel in late summer.
Scent Comparison
Unlike its close relative, the annual sweet pea Lathyrus odoratus, Lathyrus grandiflorus does not have a noticeable scent.
Established Growth Behavior
Once it is established, it grows as a robust plant that can scramble over other shrubs and trees.
Cold Hardiness and Range
It is extremely hardy, tolerating temperatures as low as −20 °C (−4 °F), so it can survive growing conditions in most temperate regions across the world.
Horticultural Award
In the United Kingdom, this plant has been awarded the Royal Horticultural Society's Award of Garden Merit.