In this post, I would like to share with you a perfect example of a gardenia flower. This flower is one of the Top 10 flowers that look similar to roses. Gardenia flower is mostly used as an unconventional for substituting rose flowers for many purposes. In France, gardenias are the flower traditionally worn by men as boutonnière when in evening dress. Bright white with a sweet fragrance, Gardenias are often chosen for wedding bouquets.