Christmas Tree Varieties
Very similar to Balsam Fir and increasingly popular as a Christmas tree. Very good needle retention with pleasant fragrance and dark green in color. Stiff branches with 3/4 to 1 inch needles.
Soft, blue-green needles, 2 to 5 inches long in bundles of five; retains needles throughout the holiday season; very full appearance; little or no fragrance; less allergic reactions as compared to more fragrant trees.
COLORADO BLUE SPRUCE
Best to harvest a week or 2 before Christmas. Fair needle retention, slight fragrance, excellent stiff branches which will support many heavy decorations, powdery-blue needles, 1 to 1 1/2 inch long needles.
Needles are usually 1/2 to 3/4 inch long, green to bluish-green in color. When crushed, needles have a disagreeable odor. Needle retention is better than some of other spruce species.
The leaves are needle-like, flattened, 1–2 3⁄8 in) long , green to glaucous blue-green above, and with two glaucous blue-white bands of stomatal bloom below, and slightly notched to bluntly pointed at the tip. The leaf arrangement is spiral on the shoot, but with each leaf variably twisted at the base so they all lie in either two more-or-less flat ranks on either side of the shoot, or upswept across the top of the shoot but not below the shoot.
The leaves are needle-like; arranged spirally on the twigs but twisted at their bases to form 2 rows on each twig; they are 0.4-0.9 inches long,flat, flexible, rounded or slightly notched at their tips.