Did you know that the poinsettia has a special day all its own? By an Act of Congress, December 12 was set aside as National Poinsettia Day. The date marks the death of Joel Roberts Poinsett, who is credited with introducing the native Mexican plant to the United States. The purpose of the day is to enjoy the beauty of this popular holiday plant. So, be sure to give someone you love a poinsettia on December 12, National Poinsettia Day!