Blue Spruce trees will eventually produce cones but they will be spruce cones.
The scientific name for a blue spruce is Picea pungens.
It should be--- Behind my house is a tall blue spruce tree.
The Blue Spruce Picea pungens is in the Genus Picea.
The botanical name for the Colorado blue spruce tree is the picea pugens
The Colorado Blue Spruce is a Compound Leaf
Two states have the blue spruce as their state tree, though these 2 states have two different variations of the blue spruce. These states are Colorado and Utah.
It became its tree because The Blue Spruce has the most trees in Colorado.
I have been told by a tree grower that bonemeal will keep a blue spruce blue because of the sulphate content
coniferophyta
The scientific name for the blue spruce tree is pigea pungens
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.)