Trafalgar Square Christmas tree for voluntary or charitable organisations. The tree remains until just before the Twelfth Night of Christmas, when it is taken down for recycling. The tree is chipped and composted, to make mulch. The Trafalgar Square Christmas tree is typically a 50- to 60-year-old Norway spruce, generally over 20 metres tall. The tree is cut in Norway sometime in November during a ceremony attended by the British Ambassador to Norway, Mayor of Oslo, and Lord Mayor of Westminster. After the tree is cut, it is shipped to the UK by boat across the sea. At one time it was shipped to
Christmas tree cultivation urine samples. The average Christmas tree receives roughly a half of an ounce (14 g) of pesticide over its lifetime. The BBC's "Gardening" website called buying Christmas trees directly from the farm, "the most environmentally friendly way of getting a tree". Other positive environmental attributes have been given live Christmas trees as well. Researchers at the University of Nebraska included the reuse of natural Christmas trees as mulch and, in larger quantities, piled up as soil erosion barriers, among the benefits of live tree use. Other positive reuses included fish habitat in private ponds and backyard bird feeders. Since 2004,