Why Do We Wear Green on St. Patrick’s Day?
St. Patrick's Day A St. Patrick's Day parade in New York City, 2017. (more) Why Do We Wear Green on St. Patrick’s Day? Written by Melissa Petruzzello Melissa Petruzzello (she/her) is Assistant Managing Editor and covers plants, algae, fungi, insects, spiders, renewable energy and environmental engineering. She also handles certain topics in Christianity,... Melissa Petruzzello Fact-checked by Britannica Editors...