Christmas is in the cold winter of ice and snow, and the plants have basically withered. Only pine, cypress and holly are evergreen and stay green. So at Christmas, these plants are often used as decorations.
Pine and cypress trees are green, and their leaves are not easy to fall off when they are dry. Triangular structure is conducive to hanging decorations and is the first choice for making Christmas trees. Holly leaves are green enough to be dotted with bright red fruits. In the cold winter, it is full of vitality, so it is often used to make Christmas garlands.
Christmas wreaths are round and semicircular. Generally, long branches are used to shape the basic prototype, then the whole wreath is filled with green leaves of Holly, and then decorated with red fruits of Holly. Making garlands, tying ribbons and bells and hanging them on doors are exquisite scenes of Christmas.
The evergreen plant used in the Christmas wreath, as well as its own round shape, represents eternal hope and immortal life in Christianity. Therefore, there is a popular saying in the west that hanging a Christmas wreath at the door of Christmas Eve can protect children from evil spirits in the new year.