The first step, a trick to know that we bought it in good condition. Christmas doesn't come into the house until a poinsettia does, the plant that becomes the centerpiece of the decoration during ...

Frank Singhof of Deutsche Gartenbaubibliothek (German Horticultural Library) told Bitesize: “[Poinsettia] doesn ... also known as the Christmas Rose, or Weihnachtsrose in German.