An incredible deciduous tree featuring pink and yellow blooms on the same plant33 this cross between laburnum and cytisus purpureus 40purple broom41 results in an abundance of elegant pendulous pea45like blooms in shades of yellow mauve45pink and sometimes salmon pink these attractive flowers appear from late spring through to early summer hardy and low maintenance grow this spectacular plant as a specimen tree to appreciate its unusual flowers from all angles adam39s lab