Key to the Trees of Logan Canyon


    Are the cones 1" to 2 1/2" long and the needle tips somewhat blunt? It is an Engelmann spruce (Picea engelmannii).




    Engelmann spruce illustration

    Engelmann spruce cones
    Engelmann spruce needles
    Are the cones 2 1/2" to 4 1/2" long and the needle tips sharp and bristled? Hint: these are not native to Logan Canyon but some are planted at home sites. These are native in mountainous areas in much of the rest of Utah. It is a blue spruce or Colorado blue spruce (Picea pungens).

    Blue spruce illustration

    Blue spruce needles
    Blue spruce cone


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