It became its tree because The Blue Spruce has the most trees in Colorado.
Bluish-green
Blue Spruce trees will eventually produce cones but they will be spruce cones.
The Colorado Blue Spruce is a Compound Leaf
The Colorado Blue Spruce.
Blue spruce, also known as Colorado blue spruce, is a coniferous evergreen tree native to North America. It is known for its distinctive silvery-blue foliage and conical shape, making it a popular choice for landscaping. Blue spruce trees can grow up to 75 feet tall and are prized for their ornamental value and use as Christmas trees.
The botanical name for the Colorado blue spruce tree is the picea pugens
15-25'
blue spruce can grow about 75 feet tall. Here is a link to information about Colorado Blue Spruce growing to 50 meters: http://www.nativetreesociety.org/fieldtrips/us_west/colorado/2009-leverett/20090620-bluespruce.htm (scroll down a bit to find info on the blue spruce) )P.S. Scrolling down does not give you more info on the Colorado Blue Spruce Tree.)
The state tree of Colorado is the Colorado Blue Spruce(Picea pungens).
A bluish-green color
blue spruce, and white and lavenderColumbine