A genus made up of coniferous evergreen trees in the family Pinaceae, native to North America and central and eastern Asia. Some are important timber trees, and many are popular ornamentals. Other plants commonly called hemlock include ground hemlock (see yew) and poison hemlock and water hemlock, plants of the family Apiaceae.

Britannica Editors. "hemlock". Encyclopedia Britannica, 30 Aug. 2025, https://www.britannica.com/plant/hemlock. Accessed 17 October 2026.