Fraser Fir Christmas trees. Fraser Firs are one of the most popular Christmas Trees. The slender spread and pine-scented aroma instantly mesmerizes customers and evokes holiday spirit. Fraser Firs have the best needle retention. The 2-tone needles, dark green on top and silver underside, rarely drop or pricks hands. Fraser Firs are soft to the touch yet very strong. The upright limbs are sturdy enough to hold an array of heavy ornaments.