"L'horloge fleurie" (or "flower clock") was - with its diameter of 5 metres - the largest of its kind in the world until the installation of a 15 metres flower clock in Tehran, Iran on the 7th June 2005.
Geneva's "L'horloge fleurie" was created in 1955 as a symbol of the city's clockmakers and dedication to nature. It is situated at the western edge of the Jardin Anglais. Usually, around 6500 flowers and shrubs are used as decoration for this clock. The decoration is changed each time de seasons of the year also change.
^ "Tehran "Flower Clock" rivals Big Ben". Payvand. http://www.payvand.com/news/05/jun/1045.html. Retrieved 17 April 2009.