Also called 🇨🇦 Canadian hemlock and Pruche du Canada.

Part of hemlock  genus Tsuga in 🌲︎ cedar / fir / hemlock / larch / pine / spruce  family Pinaceae in 🌲︎ conifer  order Pinales.

Map of distribution data, select to view fullscreen. For details, see button 'Map' below or to right.
Native to 🇨🇦 Canada Great Lakes and Maritimes;  and 🇺🇸 USA Great Lakes, New England and 🗻︎ Appalachia.

🌎︎ Map by county (🇺🇸 USA-48), 🌎︎ map (scroll down, on right), 🌎︎ map (North America, Central America).  Adobe Acrobat Reader file

🌲︎ State tree of Pennsylvania.

In this area:

  • do not move firewood (ever),
due to possible infestation by hemlock woolly adelgid (HWA)  Adelges tsugae.

Uses by native peoples
(Ethnobotany database)
  Its bark was used to make tannic acid, to process hides for leather goods.

Tsuga hosts caterpillars of 110 species
of butterflies and moths, in some areas.

Growth and regeneration of this plant can be severely limited by large populations of ◼︎ white-tailed deer  Odocoileus virginianus.

Some varieties[?] on No-Plant List by Seneca Nation of Indians.  Adobe Acrobat Reader file (page 65)

Learn more about eastern hemlock Tsuga canadensis

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