|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. 'Select Blue' is pyramidal in shape and has an open growth habit. It has flat, blunt needles that are a brilliant blue color and tiered, horizontal branches. This plant enjoys plenty of sun, cooler climates and acidic soil.