White House Christmas tree in 1997 there were 36, in 2008 there were 27. Traditionally, the tree in the Blue Room is the official White House Christmas tree. The White House Christmas tree usually stands nearly 20 feet tall and the crystal chandelier in the Blue Room must be removed for the tree to fit the room. Frequently, the tree's height is reported as 18 or 18½ feet tall. The Blue Room tree is donated each year by the National Christmas Tree Association (NCTA). The NCTA has donated the tree since 1966; it is chosen through a contest among members of the trade group.
Pierce-Klingle Mansion Pierce-Klingle Mansion Pierce-Klingle Mansion, also known as Linnaean Hill, is a historic house in Rock Creek Park in Washington, D.C. It has been listed on the District of Columbia Inventory of Historic Sites since 1964 and it was listed on the National Register of Historic Places in 1973. It is a contributing property in the Rock Creek Park Historic District. Joshua Pierce built the house in 1823 and named it Linnaean Hill after Carl Linnaeus, the Swedish botanist. Pierce, himself a horticulturist, introduced the box garden to Washington and supplied the first ornamental plantings to the White House, United States