We have a real Wasabi farm in Japan.
Shyuzenji, Sizuoka, Japan.
Wasabi (わさび(山葵)?, originally 和佐比; Eutrema japonicum)[1] is a plant of the Brassicaceae family, which includes cabbages,horseradish, and mustard. It is also called Japanese horseradish,[2] although horseradish is a different plant (which is often used as a substitute for wasabi).