There are many legends about the origin of bleeding heart flowers. But the famous one is a legend from Japan.
According to the story, in ancient times there was a handsome young man who fell in love with a beautiful girl. He tried to attract the girl's attention by giving him a gift. Starting with giving him a cute pair of rabbits. Then a pair of beautiful sandals, made of fine silk. Finally he gave him a pair of expensive jeweled earrings. But unfortunately the girl refused to marry the young man. So that the young man was very heartbroken until he died.
Shortly after being buried, from the tomb, shrub buds appear. When spring arrives, the plant blooms with a heart-shaped flower that splits in blood.