Zinnia flowers at Wylam, Northumberland
Zinnia elegans (syn. Zinnia violacea) known as youth-and-age, common zinnia or elegant zinnia, is an annual flowering plant in the daisy family Asteraceae. It is native to Mexico but grown as an ornamental in many places and naturalised in several places, including scattered locations in South and Central America, the West Indies, the United States, Australia, and Italy.