The Colossal Chestnut Tree, a hybrid of Japanese and European Chestnuts, is a blight-resistant variety known for its large, sweet, and mellow-flavored chestnuts. With a high yield and smooth texture, this cultivar produces some of the largest chestnuts, with 10-15 chestnuts weighing approximately a pound. Growing at a rapid pace, the Colossal Chestnut Tree is anticipated to start ripening in mid-September, making it an excellent choice for those looking to enjoy an abundance of flavorful chestnuts. (USDA Zones 4-9)