Pine trees can hold their needles for 2-5 or more years, depending on the species. Spruce trees generally hold onto their needles longer than pine trees do, approximately 5-7 years. One evergreen tree that is very noticeable as it loses its leaves in fall is Eastern White Pine.
Razorfen Downs is located in the Barrens far to the south. It is in very near the border to Thousand Needles and along the Eastern edge. It is a mid-size instance for both Alliance and Horde players, although it is located in Horde territory.
Of course there is also the fact that you get to tell people you use a straight razor to shave and you can feel like a big shot if even for only a moment. Cons: For most people one of the biggest downsides of choosing a straight razor is the initial cost of the razor.