Ornamental flowering snake gourd 1 tuber, Hardy to zone 6

Up for sale Ornamental flowering snake gourd 1 tuber, Hardy to zone 6 in open ground.You will receive 1 tuber per one sale while it is dormant. Tuber will be shipped wrapped in wet woot shavings and plastic. Not a house plant, must be planted outside in open ground. In zone 6 It will die out to the ground and in spring time it will start to grow again. Flowering August-September.