A Christmas tree needs to be watered regularly to keep it healthy and prevent it from drying out. Watering your Christmas tree is important for several reasons: it helps to keep the needles from falling off, prevents the tree from drying out, and helps to preserve its freshness and smell. To water your Christmas tree, place it in a bucket or other container with enough water to reach the bottom of the trunk. Allow it to soak for at least 8 hours or overnight. Be sure to keep the tree away from any heat sources such as fireplaces or radiators.