Image 1 of 3 Image 2 of 3 Image 3 of 3 Kou- 1 gallon $12.00 Kou is a native tree which can be used as a windbreak. *15% discount provided when bulk buying 10 or more. Quantity: Add To Cart Added! Kou is a native tree which can be used as a windbreak. *15% discount provided when bulk buying 10 or more.