Use Needles to Identify Common North American Coniferous Trees

Three-needled evergreens Three-needled evergreens have cone-like structures that you can easily identify by looking for three needles. There are many species, including white spruce, black spruce and blue spruce. The needles of the white spruce are a blue-green color and grow to 1/2 inch long. Black spruce has dark green needles about 1/4 inch in…