spring pea 'Rainbow'

'Rainbow' is a compact, clump-forming perennial to 40cm tall and wide with dark-green, pinnate leaves divided into 2-4 pairs of oval or lance-shaped leaflets. In spring, short racemes of pea-like flowers, each up to 2cm long and in shades of pink, purple, blue and white, are borne on one side of the short, dark flower stems