Selection and Care: If you're going out get a live tree, you are about to have a lot of fun. There are a few things you should know as you head out in search of the "perfect tree". Christmas trees aren't cheap. And, they can dry out quickly. Making sure the tree is healthy and fresh is job one. Getting one with a straight trunk is pretty important, too. Then, when you get it home and in the room, your tree needs a little care and attention, to help it to stay fresh all holiday season. Selection and Care of your Christmas tree.