High Quality Content by WIKIPEDIA articles! By 2008 Christmas tree production in Denmark totalled around 9 million trees and Denmark was one of Europe`s largest producers of natural Christmas trees. By far the most popular species grown in Denmark is the sought after Nordmann fir. Between 1999 and 2007 Danish tree production jumped from 6-7 million trees annually to 9-12 million trees annually. In 2009 the Danish Christmas Tree Growers Association (DCTGA) was convicted in a price fixing scheme that resulted in fines for the association and its executives.