Yes, decorating a Christmas tree can be considered a pagan tradition. The Christmas tree originated from pagan rituals and celebrations that involved decorating trees with candles and other ornaments during the winter solstice. It wasn't until the 16th century when Christians began to adopt the tradition as a way to celebrate the birth of Jesus Christ. So while it may have pagan origins, decorating a Christmas tree can still be a beautiful way to bring holiday cheer and celebrate the season.