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.