Western Arborvitae, also known as Thuja plicata, is a large evergreen tree native to the western regions of North America. It typically grows in moist, well-drained soils and can reach heights of up to 200 feet. The tree is characterized by its flat, scale-like leaves and aromatic wood, which is resistant to decay. This species plays a vital role in its ecosystem, providing habitat and food for various wildlife, including birds and small mammals. Western Arborvitae is also valued for its timber, often used in construction and landscaping due to its durability and attractive appearance.