An artificial Christmas tree can last for many years if properly cared for. The lifespan of an artificial Christmas tree is typically 8-15 years, but with proper maintenance and care, it can last even longer. Some people have reported keeping their artificial Christmas trees for up to 20 years or more. To maximize the lifespan of your artificial Christmas tree, be sure to store it in a cool, dry place and to clean it regularly with a soft cloth. Additionally, avoid exposing it to direct sunlight or extreme temperatures, as this can cause the branches to become brittle and break.