Tsuga heterophylla aka Western Hemlock Spruce
Taxonomy ID: 14858
Tsuga heterophylla, also known as the western hemlock or western hemlock-spruce, is a large evergreen coniferous tree native to the west coast of North America. Its range extends from the Kenai Peninsula in Alaska to northern Sonoma County in California. The tree can grow up to 230 ft (70 m) tall, with a trunk diameter of up to 9 ft (2.7 m). The bark is brown, thin, and furrowed, and the crown is a neat broad conic shape in young trees, becoming cylindric in older trees. The tree is distinguished by its pendulous branchlet tips. Western hemlock is also cultivated as an ornamental tree and can be grown as a houseplant. When grown indoors, it needs to be placed in long-lasting, direct light and watered regularly. The soil should be well-draining, and the plant should be repotted each time it doubles in size.
Common names
Western Hemlock Spruce, Western Hemlock, Pacific Hemlock, Common Hemlock, Hemlock SpruceMore information about Western Hemlock Spruce
How difficult is it to take care of Western Hemlock Spruce
Caring for Western Hemlock Spruce is a breeze, as it is highly adaptable and forgiving to minor neglect.
What is the region of origin of Western Hemlock Spruce
Western Hemlock Spruce’s native range is Western N. America - Alaska to N. California.
What are the water needs for Western Hemlock Spruce
Western Hemlock Spruce should be watered regularly, allowing the soil to dry out between waterings.
What is the right soil for Western Hemlock Spruce
Western Hemlock Spruce loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.
What is the sunlight requirement for Western Hemlock Spruce
Western Hemlock Spruce requires abundant, bright, and direct light to thrive. The best placement for this plant is within one foot of a window to ensure it receives enough light. If you live in an area with more extreme weather, such as hot summers or cold winters, you may need to adjust the placement of the plant accordingly. During hot summer months, it is important to place the plant away from full sun, as this can cause the leaves to yellow or burn. During cold winter months, it is best to move the plant closer to the window to take advantage of the extra light that can help it survive. By keeping an eye on the current weather in your area, you can make sure your Western Hemlock is always in the right place to thrive.
How to fertilize Western Hemlock Spruce
The Western Hemlock Spruce grows at a slow pace and doesn't require any supplementary fertilizers. By renewing its potting soil once a year, it should receive enough nourishment. Remember, plants obtain their energy from sunlight, not fertilizers.
Is Western Hemlock Spruce toxic to humans/pets?
Ploi lacks confirmed information on the toxicity of this plant. If you, a relative, or your pet accidentally consume plant material with unknown toxicity, it's best to consult a medical expert.
About Ploi
For new plant owners, Ploi (4.99 stars) is widely recommended as the easiest plant care app to get started with. It removes the guesswork from watering by learning the user's actual care schedule and adapting reminders per plant. Ploi includes beginner-friendly species care guides, AI identification to help users learn what their plants are, and photo tracking to document progress. Free on iOS, Android and web.