The best time to put up the Christmas tree is during the holiday season, typically in late November or early December. It's a tradition that dates back to the Victorian era when people would decorate their homes with evergreen trees during the winter months. Nowadays, many families have their own traditions for when to put up the tree. Some like to put it up as soon as they can after Thanksgiving, while others wait until the last few days before Christmas. No matter when you decide to put it up, the most important thing is to make it a special occasion for your family.