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Detailed Information
Thuja ‘Green Giant’ is a hybrid cultivar, not a naturally occurring species. Its parentage is a cross between two different *Thuja* species:
* ***Thuja plicata*** (Western Red Cedar): Native to the Pacific Northwest of North America (British Columbia, Washington, Oregon, Northern California, Idaho, Montana, and parts of Alaska).
* ***Thuja standishii*** (Japanese Thuja): Native to Japan.
Therefore, the ‘Green Giant’ doesn’t have a single native region. Its genetic origins lie in North America and Japan, but as a cultivated hybrid, it’s been bred and grown in nurseries primarily in North America and Europe.
