Tsuga heterophylla
（重定向自Western Hemlock）
![](/Images/godic/202502/20/Western_hemlock_branch4908.jpg")
![](/Images/godic/202502/20/Tsuga_heterophylla_range_map_14908.png")
![Young western hemlock](/Images/godic/202502/20/Tsuga_heterophylla14908.jpg")
![T. heterophylla often grows on coarse woody debris such as nurse logs and cut stumps](/Images/godic/202502/20/Tsuga_heterophylla_forest4909.jpg")
Tsuga heterophylla, the western hemlock or western hemlock-spruce, is a species of hemlock native to the west coast of North America, with its northwestern limit on the Kenai Peninsula, Alaska, and its southeastern limit in northern Sonoma County, California.