A real Christmas tree can be purchased at many retail stores, including hardware stores, garden centers, and home improvement stores. In the United States, the best time to purchase a real Christmas tree is typically in early December. Real Christmas trees are also available through tree farms and Christmas tree lots, where you can often find a variety of tree species and sizes. Some families even choose to cut down their own trees from a Christmas tree farm. Real Christmas trees provide a natural, festive atmosphere for the holidays and can be enjoyed for many years with proper care.