About three months after lunar new year comes the Tomb Sweeping Festival, when people in ancient China gave "tomb sweeping candy" (made from cudweed) to goatherds to have them come and help clear weeds away from the family tombs.
清明節採來鼠麴草製成綠色的「掃墓粿」，祭拜祖先後，分贈前來幫忙除草的牧童。