Butternut (White Walnut) 12"- 18" Bare Root - 1 1/2 yr Old Plant - 3 Pack Purchase a 12" - 18" bare root Butternut (White Walnut) in a 3 pack. The Butternut tree is one of the hardiest trees. This tree is somewhat self-pollinating but grows best in groups. The Butternut tree will have a beautiful fall color. *Images are for reference only and are of mature plants * In winter all plants will ship dormant (without leaves).