The blue spruce is the official state tree of both Colorado and Utah ... bud scales brown and noticeably reflexed. Cone – About 3½ inch long; cylindrical; light brown; scales thin, flexible, with ...

They are attractive trees, often sporting silvery-blue needles and pendulous cones. Nobody seems to have done a count lately of members of different spruce tree varieties in the wild, so the most ...

(Photo by Ned Rozell) White spruce trees produce great pulses of cones every two to six years. Other years, trees grow no cones. Boutin figures the trees create so many cones suddenly to “swamp ...