Woody > Tsuga > Tsuga heterophylla > Tsuga heterophylla
Tsuga heterophylla
Western Hemlock
Origin: Native to the west coast of North America.
| Family |
| Pinaceae |
| Genus |
| Tsuga |
| Species |
| heterophylla |
| Category |
| Woody |
| Type |
| Tree (evergreen) |
| Pronunciation |
| USDA Hardiness Zone |
| 6b - 7a |
| Canadian Hardiness Zone |
| 6a - 6b |
| RHS Hardiness Zone |
| H6 |
| Temperature (°C) |
| -21 - (-15) |
| Temperature (°F) |
| -5 - 5 |
| Height |
| 50 - 70 m |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| General Description |
| Tsuga heterophylla is an evergreen tree with a trunk up to 2 m in diameter, horizontal branches that droop at the tips, thick bark and flat needles. |
| Cultivation |
| Very tolerant of shade. |
| Shape |
| The crown is regular conical in form. |
| Growth |
| Medium |
| Bark/Stem Description |
| Thick and purple-brown. |
| Flower/Leaf Bud Description |
| Young branches are covered with long slender hairs (villi), red-brown above, yellowish-beige beneath, becoming dark brown. |
| Leaf Description |
| Needle-like, 5 - 23 ⨉ 1.5 - 2 mm, strongly flattened in cross-section, with a finely serrated margin and bluntly acute apex, dull bright green above; the underside has two distinctive white bands of stomata. Loosely arranged. |
| Fruit Description |
| Cones are 1.5 - 3 cm long with 15 - 25 thin, flexible scales 7 - 13 mm long. Immature cones are green, maturing to grey-brown 5 - 7 months after pollination. |
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