|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. 'Gable's Weeping' is a dwarf and has a slow spreading habit. It has flat, blunt needles and low, horizontal branches that ascend at their ends. This plant enjoys plenty of sun, cooler climates and acidic soil.