Once you39ve experienced the sweet pungent scent coming from heliotrope or 39cherry pieas it is commonly called on a still summer evening you won39t want to be without it few plants can fill the air with such a heady fragrance as this marine is a royal purple large flowered yet compact form with attractive dark green foliage and bushy habit excellent for beds borders and as a summer flowering pot plant flowers summer height 45cm 4018in41