It's not necessary to boil water for a Christmas tree. In fact, boiling water could actually damage the tree's needles and cause them to fall off. Instead, it's best to keep the tree hydrated by adding water to the tree stand on a regular basis. This will help keep the tree fresh and green throughout the holiday season. Additionally, you can decorate the tree with ornaments, lights, and other festive decor to add a festive touch to your home.