Perhaps you could grow some of these (at a very high price) in similar facilities that are used for the famous Japanese cube/square shaped watermelons that are given as gifts.

https://www.google.com/search?client=firefox-b-1-d&q=cube+sh...

If not a market in the USA, maybe in the very luxury food segment in Japan and South Korea, in whatever sort of food retailers occupy the market niche that is even more expensive than Whole Foods.