In Blake Anderson’s greenhouse in Vancouver, Canada, they grow wasabi that sells for $160 a kilo wholesale and $308 to restaurants.

For nearly 30 years, Brian Oates has devoted himself body and soul to one purpose: establishing the first commercial wasabi-producing farm in the United States.

Many have tried to grow this type of Japanese horseradish in the United States itself and in Canada. However, almost all have failed.

The reason is simple: wasabi is described by most experts as the most difficult plant in the world to grow commercially.

What motivates Oates, and his Pacific Coast Wasabi (PCW) company, beyond his stubbornness?