Growing a Christmas tree can take years. Christmas trees are typically grown from seeds or cuttings and take time to mature. The exact time it takes to grow a Christmas tree varies depending on the species, the climate, and the care it receives. Some Christmas tree species can take up to 10 years to reach maturity, while others can take longer or shorter. The time it takes to grow a Christmas tree also depends on how well it is cared for, with proper watering, pruning, and other maintenance activities contributing to its growth.