Tom:
The real problem is POC only grows in two very small regions of the world. The SW corner of Oregon/ NW corner of California and on the Island of Formosa (Japan). The Japanese have been very smart in this entire venture, they have not touched the wood on Formosa, only used ours and willing to pay way more than us. Yes you could probably do a plantation, however can you wait 200 years to harvest the wood?
Before Bill Sweetland past away he tried to have POC declared "Endangered" and was not successful that would have slowed down the usage and prevented exporting of the wood to Japan. Such is life.
Bob