Tsuga heterophylla, commonly known as western hemlock, is a type of evergreen tree that is native to the Pacific Northwest region of North America. It is a popular landscaping tree due to its tall, elegant stature and vibrant foliage. Some synonyms for Tsuga heterophylla include Canadian hemlock, western hemlock spruce, Pacific hemlock, Alaska pine, and British Columbia hemlock. These synonyms reflect the tree's widespread distribution across the western regions of North America, as well as its historical use in the timber industry. No matter what it's called, Tsuga heterophylla remains a beloved and iconic tree species of the Pacific Northwest.