A shallow root system
supports a single trunk
encased in whorls of
branches. The needles of
Abies concolor are are
deep bluish-green but are
the lightest of all nine
native firs, with new growth
lighter still. Flat and blunt
to pointed at the tips, the
needles are 2-3 inches
long, in ranks of 2, extend
at a right angle out from
the twig and have silvery
Native Fir Trees, Abies and Pseudotsuga