The lifespan of a real Christmas tree depends on several factors such as species, care, and environment. Generally, a real Christmas tree can last anywhere from 10 to 20 days indoors if properly cared for. If you want it to last longer, it's best to keep it in a cool, dry location with plenty of ventilation, away from heat sources such as radiators or fireplaces. Water the tree regularly, but not excessively, and keep it out of direct sunlight. Additionally, it's important to monitor the water level in the tree's stand and add more water if needed. With proper care, a real Christmas tree