Stephanotis floribunda Madagascar Jasmine Waxflower, Hawaiian Wedding Flower. Its fragrant trumpet shaped blooms are in season year round, and are a popular component of bridal bouquets. It is vigorous climber, tough stemmed, bearing dark green leathery leaves, which grow in pairs at regular intervals along the vine. Stephanotis floribunda grows best in sunny, tropical conditions, or inside. They can grow from 6 to 18 feet, and are widely cultivated as garden plants. Use well drained soil and fertilize once a month. Zones 8 to 11