February orchid is a kind of herb, also known as Orychophragmus violaceus, Chinese cabbage and Ardisia japonica. It belongs to Orychophragmus genus of Cruciferae and is a biennial herb flower. Because blue-purple flowers begin to bloom around February in the lunar calendar, they are called February Blue. It grows in plains, mountains, roadsides and land edges. Low requirements for soil illumination and other conditions, cold and drought tolerance, strong vitality.