Seeds of Hardenbergia comptoniasa h is native to western Australia.Twining shrub or climber. Blooms from Jul to Oct. Prefers sandy soils. It is readily cultivated in the garden, where it does best in a part-shaded position. Flower range in color from mauve, to purple to dark blue, with pink and white forms also known. A fairly vigorous plant and can cover a 9.8 by 9.8 ft area in two years, smothering smaller plants it is allowed to grow over. Hardy to zones 7-11.