Contents
Description
Tsuga Heterophylla, commonly known as Western Hemlock, is a coniferous tree native to the west coast of North America. It is a popular tree for landscaping and timber production. The tree can grow up to 200 feet tall, with a trunk diameter of up to 9 feet. The bark is thin and grayish-brown, with deep furrows. The needles are short, flat, and soft, measuring about 1 inch long. The cones are small, measuring about 0.5 inches long, and have thin scales.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Pinophyta |
| Class | Pinopsida |
| Order | Pinales |
| Family | Pinaceae |
| Genus | Tsuga |
Appearance
The Western Hemlock tree has a conical shape and a dense foliage. The needles are short, flat, and soft, measuring about 1 inch long. They are glossy dark green on top and have two white stripes on the underside. The cones are small, measuring about 0.5 inches long, and have thin scales. The bark is thin and grayish-brown, with deep furrows.
Care Guide
The Western Hemlock tree prefers moist, well-drained soil and partial shade. It requires regular watering, especially during dry periods. Fertilization is recommended in the spring and fall with a balanced fertilizer. The tree is hardy in USDA zones 5 to 7.
Common Pests & Diseases
The Western Hemlock tree is susceptible to needle cast, a fungal disease that causes the needles to turn yellow and fall off. It is also susceptible to aphids, spider mites, and scale insects.
Habitat
The Western Hemlock tree is native to the west coast of North America, from Alaska to California. It prefers moist, cool climates and can be found in forests and mountainous regions.
Question and Answer
Q: Is the Western Hemlock tree a good tree for landscaping?
A: Yes, the Western Hemlock tree is a popular tree for landscaping due to its attractive appearance and dense foliage.
Q: What is the hardiness zone for the Western Hemlock tree?
A: The Western Hemlock tree is hardy in USDA zones 5 to 7.
Q: What are the common pests and diseases of the Western Hemlock tree?
A: The Western Hemlock tree is susceptible to needle cast, aphids, spider mites, and scale insects.
Q: What is the scientific name for the Western Hemlock tree?
A: The scientific name for the Western Hemlock tree is Tsuga Heterophylla.
Related Plants
- Tsuga Canadensis (Eastern Hemlock)
- Tsuga Mertensiana (Mountain Hemlock)
- Tsuga Dumosa (California Hemlock)
References
- Dirr, M. A. (1998). Manual of woody landscape plants: their identification, ornamental characteristics, culture, propagation, and uses (6th ed.). Champaign, IL: Stipes Publishing.
- Little, E. L., & Skolmen, R. G. (1989). Common forest trees of Hawaii (native and introduced). Honolulu, HI: United States Department of Agriculture Forest Service, Pacific Southwest Forest and Range Experiment Station.
- Moerman, D. E. (1998). Native American ethnobotany. Portland, OR: Timber Press.
