Mountain hemlock
Tsuga mertensiana (Bong.) Oerst.
- light
- Sun–part
- water
- Medium
- tall
- 38 m
- wide
- 3.8 m
Pinaceae
Also called Mountain Hemlock
Formerly Abies mertensiana, Hesperopeuce mertensiana, Picea mertensiana, Pinus mertensiana
When it flowers
Not known yet in the tropics: too few flowering observations to read a season from.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- TreeKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- Alaska to W. U.S.A.Kew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from NC State Extension, one source
- Height
- 33 m to 43 mRead from Wikipedia and Plants For A Future, checked: the middle of what its sources sayHalfway between its 2 sources, which differ. Sources differ: Wikipedia 20–40 m; Plants For A Future 45–45 m
- Spread
- 3.0 m to 4.6 mRead from NC State Extension, one source
- Water
- Average: moist, well drainedRead from NC State Extension, one source
- Coldest it survives
- -28.9 °C (USDA zone 5a)Read from NC State Extension, one source
Not known yet: flowers, heat, hottest it survives.
In other languages (1)
- Chinese
- 长果铁杉
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- Wikipedia, read 2026-10-26, fact, cited
- Plants For A Future, read 2026-10-26, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 3.0
- 3D model: Tsuga mertensiana (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.