This is the White Spruce.  Many of the white spruce at Bell's Christmas Trees are decorated with natural growing pine cones, ooops!!!!, don't call them pine cones, they are SPRUCE cones!
 

This is the Colorado Blue Spruce.  The needles range in color from dark green to bright blue.  The Colorado Blue Spruce has short, sharp, very strong needles with good needle retention if kept watered.  The needles are 1-1 1/2 inches long on lower branches but somewhat shorter on upper branches. They are 4-sided and have a very sharp point on the end. It is this point which gives the species its name "pungens", from the Latin word for sharp, as in puncture wound. Needles are generally dull bluish-gray to silvery blue. 

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These are the branches of our Serbian Spruce.  It is the most graceful of all spruces, the Serbian Spruce offers thin arching branches with a slender straight trunk. The needles are light-green to blue-green with purple to cinnamon colored ones and a half inch cones.

This is one of our newer trees, the Concolor Fir.  This tree grows in an almost perfect pyramidal Christmas tree shape when young, with horizontally tiered branches. At maturity the tree develops a dome-like crown. The short, flat, soft needles are silvery blue-green both above and below, although the undersides may have a whitish bloom. The needles have a slight citrus smell when broken. The smooth gray bark develops attractive deep, irregular furrows and irregular, flattened scales on mature trees.