American Chestnut Long Way Up Posted byLance Kleckner October 28, 2014December 28, 2022 Leave a comment on American Chestnut Long Way Up Looking up into a young American Chestnut tree: Chestnut trees have good growth, but there is always a risk of Chestnut Blight killing my 100% American Chestnuts. I also have Chinese and Hybrid Chestnut trees started.