A Christmas tree can live for many years, depending on its species and how well it is cared for. Some species, like Norway spruce or Fraser fir, can live for decades or even centuries if they are properly maintained. Other species, like the potted Norfolk Island pine, can live for hundreds of years if they are kept indoors and given proper care. Ultimately, the lifespan of a Christmas tree depends on its species, environmental conditions, and the level of care it receives.