For the Egyptians: Represented the hope and the joy of spring.
For the Japaneses: Represents life and is largely used in New Year's decorations.
The emperor birthday is known as 'Green Day' because loved to garden.
Western World: During the Renascence, Brides used to wear green to represent fertility.
For Muslins: It is a symbol of virtue, only those with perfect faith can wear it.