Seeds Butterfly Gardenia, Fleur d amour Tabernaemontana coronaria Plena Carnation of India, East Indian Rosebay, Adams Apple, Neros Crown, Coffee Rose or Crepe Gardenia. This plant is a spreading, bushy, many branched shrub with elliptic oblong, wavy margined, thin, glossy leaves with pure white flowers that are scented at night. This shrub grows to a height of 6 to 10 feet tall and 5 to 8 feet wide. It bears white, waxy summer flowers. Native to parts of India, China, and Thailand, this plant thrives where temperatures are above 50 degrees F.