Seeds from Hymenosporum flavum Sweet Shade or Queensland Frangipani is an evergreen tree that grows 30-40 feet in zones 9b-11. Shiny leaves form clusters at the ends of the branches. The fragrant flowers bloom in the early summer and emerge a pale yellow to almost cream and darken to deep yellow with age. Plant in full sun to light shade with deep, infrequent watering. Hardy to around 20 F. This tree has been called the Queensland Frangipani because the scent resembles that Frangipani Plumeria.