This time, tree activists were unable to save a giant Western red cedar in Seattle's Wedgwood ... effort last year to protect Luma, another Thuja plicata about four blocks away from Astra.

Apart from the American arborvitae, there are other species such as the western red-cedar or giant arborvitae (Thuja plicata) and the deerhorn cedar or false arborvitae (Thujopsis dolabrata).