Ryan and Tessa Agrey with the Eden Tower indoor vertical garden system Tessa and Ryan Agrey are a determined pair. The brother and sister team behind Hope Innovations (which makes the Eden Tower indoor vertical garden system) are a two-person whirlwind of production and marketing of an innovative vegetable growing system that is finding success with new and established gardeners alike. And they’re doing it in tough economic times, to boot. But, the thirty-somethings who grew