Interesting Facts About , Christmas Trees.<br />BuzzFeed recently offered readers a list <br />of fascinating facts about Christmas trees.<br />1. An estimated 25 to 30 million real Christmas trees , are sold every year in the United States, according <br />to the National Christmas Tree Association.<br />2. A standard Christmas tree takes seven years to grow, , but can range anywhere from four to 15 years, <br />according to the association.<br />3. The association estimates that there are , nearly 350 million Christmas trees , currently growing in the U.S.<br />4. In 2018, NBC reported that 51% of the , 16 million Christmas trees harvested in 2012 , came from just two states: North Carolina and Oregon.<br />5. North Carolina's Ashe County contributed the most, , harvesting nearly 2 million trees in 2012.<br />6. Since 1961, <br />14 of the Christmas trees <br />on display at the White House , came from North Carolina. .<br />7. Over the same period of time, the White House <br />Blue Room also displayed trees from , Pennsylvania, Wisconsin and Washington. .<br />8. Every year, the National Christmas <br />Tree Association selects the official , White House Christmas Tree.<br />9. The winner is picked in a contest <br />between growers with trees that have , won competitions at the <br />state or regional level