A Christmas plant is a plant that is associated with the holiday season. Some common examples of Christmas plants include poinsettias, Christmas cactuses, holly, mistletoe, and evergreen trees. These plants are often used to decorate homes and public spaces during the Christmas season, adding a festive touch to the holiday atmosphere. Some Christmas plants, like poinsettias and Christmas cactuses, are also considered symbolic of the holiday season and are commonly given as gifts.