Happy St. Patrick's Day!
Originally, the colour associated with Saint Patrick was blue. Over the years the colour green and its association with Saint Patrick's day grew. http://en.wikipedia.org/wiki/Saint_Patrick's_Day
http://allrecipes.com/recipe/corned-beef-and-cabbage-i/ In the U.S. and Canada, consumption of corned beef is often associated with Saint Patrick's Day. Corned beef is not considered an Irish national dish, and the connection with Saint Patrick's Day specifically originates as part of Irish-American culture, and is often part of their celebrations in North America.http://en.wikipedia.org/wiki/Corned_beef
Have a safe and happy St. Patrick's Day!
May your blessings outnumberThe shamrocks that grow,And may trouble avoid youWherever you go.–Irish blessing