Immature cones of a Colorado Blue Spruce (Picea pungens), a species of spruce native to western North America. It is a medium-sized evergreen tree growing to 25 to 30 metres (82 to 98 ft) tall, exceptionally to 46 m (151 ft) tall, and with a trunk diameter of up to 1.5 m (4.9 ft). The cones are slender and cylindrical, 6–11 centimetres (2.4–4.3 in) long, and are reddish to violet in color, maturing to pale brown 5–7 months after pollination. The Blue Spruce is the state tree of Utah and Colorado.Photo credit: Noodle snacks