For nearly 30 years, Brian Oates has, in his words, “pig-headedly” devoted himself to a single pursuit: setting up the first commercial wasabi farm in North America.
Dozens of others in the US and Canada have tried to grow the plant – a type of horseradish that originates in Japan, where it is found growing naturally in rocky river beds – but almost all have failed.
The reason is simple: wasabi is deemed by most experts to be the most difficult plant in the world to grow commercially.
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