Many have tried and failed to make vertical indoor farming work. One Chicago entrepreneur thinks he can do it.

Leafy greens typically don’t get kids excited. So Jake Counne knew he’d grown something special in his indoor vertical farm when his children, aged 5 and 7, were snacking on fresh spinach “like it was a bag of chips.”

Other, more refined palates also have been impressed by Counne’s spicy wasabi...