Colorado State Tree
Colorado Blue Spruce
Needles are very sharp, and have an acidic taste.
Monoecious; males yellow-brown to purple, scattered throughout trees;
females purple, upright, in tops of the trees.
Cones are 2 to 4 inches long, cylindrical, light brown in color. Cone
scales are pointed with jagged-erose margins. Maturing in autumn.
Stout (when compared to other spruces), hairless, orange-brown. Needles are borne on woody pegs. Bud scales are noticeably reflexed.
Gray to red-brown, young trees with small, thin scales – older trees
A medium to large tree with pyramidal form. Branches appear layered,
especially with age.
Conservation; Photos and text by: John Seiler, Edward Jensen,
Alex Niemiera, and John Peterson;Silvics reprinted from Ag
Handbook 654; range map source information