We generally start the decorating when my dad is around so either right after Thanksgiving or a couple days before Christmas.
First goes the fake tree. I no longer decorate because I'm scared there are spiders in it

So I let Wrothken and my brothers handle it.
We put stockings in the hall mid-December. I'm hoping to make some stockings for each of the cats (there are seven in all). My youngest brother wants to make a few for the deceased pets, though I'm not sure if it's a good idea. He tends to brood and then blame people and then his temper explodes.
The wreath goes up. I think my brother has a wreath he made in school years ago that he hangs on his door.