Rockefeller Center Christmas Tree year. The tree, usually a Norway spruce tall, has been a national tradition each year since 1933. The 2018 Christmas Tree Lighting took place on November 28, 2018; the tree will remain on display until January 7, 2019. Trees are traditionally donated to Rockefeller Center, which in turn donates the lumber after display. Until his death in 2009, the late David Murbach, Manager of the Gardens Division of Rockefeller Center, scouted for the desired tree in upstate New York and surrounding states, and even Ottawa in Ontario, Canada. Erik Pauzé, Head Gardener at Rockefeller Center, looks for each year's Rockefeller
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,