For your Christmas tree skirt. It will always depend on the size of the tree. For an average of six to a seven-foot tree the ideal stand will be 48-56 inches. For a slimmer pencil-type tree, the Christmas Tree stand should be around 48 inches. A good Christmas tree stand for Mini Christmas trees can be between 15 and 21 inches. There are many different ways and many different Christmas Tree stand covers so it’s best to pick the one that suits your decoration style.