There is a Spanish song that references this flower. The lyrics go something like this: The perfume of gardenias is in your mouth and beautiful rays of light emanate from your eyes. (I believe something got lost in the translation.
Gardenia grows best in moist, well-drained soil rich in organic matter and with an acidic pH. The plant will often develop yellow leaves if the soil isn't acidic enough. Light: Shade / Zones: / Plant Height: To 20 feet tall / Plant Width: To 10 feet wide