Rhizomatous deciduous shrub to 5-10 feet tall with silvery foliage and fragrant flowers. Native in the Rocky Mountain region from Yukon to Utah. Nitrogen-fixing and drought tolerant, this shrub is often used in reclamation sites or hedgerows and windbreaks where a shorter stature is desirable.

Deciduous shrub found in moist places east of the Cascades. Small white berries often cling through winter to provide food for wildlife.