Mountain Big SagebrushMountain Big Sagebrush (Artemisia tridentata ssp. vaseyana) is a tall, aromatic shrub native to higher elevation in the western United States, where it commonly grows under snow cover during the winter months. Larger and more robust than the lower elevation Wyoming Big Sagebrush, it typically reaches 4 to 7 feet tall. In addition to providing foundation and structure in a landscaped garden, its silvery green leaves and small yellow flowers add texture