Lowes is a popular retail store that sells a wide variety of home improvement products, including Christmas trees. They typically begin selling Christmas trees in the fall, usually around October or November. The exact date may vary from year to year, but you can usually find trees in Lowes stores by late October or early November. Lowes offers a variety of different Christmas trees, from real trees to artificial ones, so there's sure to be something for everyone. You can also find a variety of decorations, lights, and other accessories to complete your Christmas decor.