Grow Your Own Potato Tubs x 2 Grow Your Own Potato Tubs x 2 Gardman Grow it Potato Planter Tubs - 2 Pack A pack of 2 potato tubs made from durable polypropylene with a reinforcing ring for the top edge. 50cm high x 40cm diameter. FREE POSTAGE £12.95 Quantity: at £12.95 each Add To Basket A pack of two potato tubs to help you grow your own. The potato tubs are made of a durable polypropylene construction with a reinforcing ring for the top edge. The potato planter includes carry handle and drainage holes. The potato tubs also incorporate two harvesting flaps for easy access to your potatoes.