Sorry, Jim, I meant straight-up-and-down, not straight-square. No bulges and no "wasp-waist" like Coca-Cola. (I want the root ball to slide straight out, don't want to cut the plastic bottle away from the roots.
Dr.Pepper and at least some Canada Dry bottles come this way.
BTW, here is the "flying wall of soda bottles" image. These bottles have bulges, not straight sides.
I wish some soda company would redesign their bottles, especially smaller sizes, to be better reusable flower pots. Even flimsy soda bottles are sturdier than most trays of insert cells.
I would think that making soda bottles shorter and wider would save plastic. But then they would take up more square inches in supermarket display shelves.
Kobe 20-ounce bottles are made from really sturdy plastic, and would be a great size for a pot except that they have deep, acute horizontal ridges that make it hard to push a root-bound root ball out of the bottle.
