Exceptional among the species of this genus in having
flowers colored other than yellow,
Allamanda blanchetii is of uncertain wild origin somewhere in South
It is similar in foliage to the common A. cathartica but is a less
vigorous twiner that can easily be trained to a 6 ft (1.8 m) shrub.
The flowers, about 3 in (8 cm) across, are a somewhat dingy purplish
mauve color but of heavy substance, borne freely .
Some recently released hybrid cultivars have blended its coloring
(in diluted form) with the vigour of A. cathartica.
Cultivation: They grow in a sunny, sheltered position in rich soil,
watering freely .
Prune heavily to maintain shape and encourage flowering.
Propagate from cuttings and watch for mites which disfigure the