Saint Patrick’s Day is a cultural and religious holiday celebrated on 17 March. The most commonly recognised of the patron saints of Ireland.Originally, the colour associated with Saint Patrick was blue. Over the years the colour green and its association with Saint Patrick’s Day grew.Green ribbons and shamrocks were worn in celebration of St Patrick’s Day as early as the 17th century. Saint Patrick is said to have used the shamrock, a three-leaved plant, to explain the Holy Trinity to the pagan Irish, and the ubiquitous wearing and display of shamrocks and shamrock-inspired designs has become a feature of the day. Check below some DIy decor ideas how to use use green for a Saint Patrick’s Day. Enjoy!