Cassiope mertensiana is a slow-growing shrub that is native to the high-altitude regions of North America. This plant is commonly referred to by several different synonyms, including mountain heather, white heather, Alaska heather, and western mountainheath. This shrub is prized for its delicate, white flowers that bloom in the summer months and its ability to thrive in harsh, alpine environments. The Cassiope mertensiana is often used as a decorative plant in rock gardens and can also be grown in containers. Its beautiful, hardy nature makes it a popular choice among gardeners looking for a low-maintenance plant that can withstand cold temperatures and high altitudes.