Photographer: Luke Sharrett/Bloomberg Photographer: Luke Sharrett/Bloomberg O Christmas Tree, Where Do You Come From? The White House Christmas tree, an 18-foot Fraser fir, was raised in Pennsylvania, where more than 1 million Christmas trees are cut annually on 1,400 tree farms on 31,000 acres, according to the Pennsylvania Christmas Tree Growers Association. We visited one in Muncy, Pennsylvania, Brown's Tree Farm, which expects to sell nearly 40,000 this holiday season. Photographer: Luke Sharrett/Bloomberg By Shahrzad Elghanayan More stories by Shahrzad Elghanayan December 11, 2015, 1:12 PM EST Morning fog hangs in a valley near Brown's Tree Farm in Muncy, Pennsylvania. Jim Woodruff, 65, smokes a corn cob pipe while harvesting Fraser fir Christmas trees. Fraser fir trees are among the most popular Christmas trees grown in Pennsylvania. Farm dogs hunt for mice in a field of trees. A harvested Fraser fir Christmas tree. A worker uses a baler to package a freshly cut Fraser fir tree. A worker carries a Douglas fir tree to load on a truck. Douglas fir trees are one of the major Christmas tree species in the U.S., according to the National Christmas Tree Association. A farmworker loads freshly harvested Douglas fir Christmas trees on a truck. A farmworker loads a freshly harvested Concolor fir, or white fir, Christmas tree on a truck. A farmworker walks in a field of Fraser fir trees. The office at Brown's Tree Farm.