For folks in the Northeast US, the Backyard Farms brand of tomatoes has a similarly fascinating growing process[1]. They're grown in greenhouse in Maine that's the size of 20 football fields[2]. There are no pests and therefore no pesticides; no dirt, so no washing.
[1] http://www.nytimes.com/2010/03/31/dining/31tomato.html [2] https://en.wikipedia.org/wiki/Backyard_Farms