|Abies concolor is a slow to medium growing fir with blue-green leaves pointing upward and forward along the shoot. The 3- to 5-inch cones are greenish-purple when young, turning brown. Reaches heights up to 130 feet. 'Nana Glauca' is a dwarf cultivar that has dense growth in a roughly spherical shape. It has flat, curved, blunt, blue needles on tiered, horizontal branches. This plant enjoys plenty of sun, cooler climates and acidic soil.