Katandin is a new blueberry variety of Vaccinium corymbosum from the Michigan State University breeding program. Is comprised of primarily Vaccinium corymbosum, with about 7% of its genes coming from V. darrowii, 4% from V. angustifolium and <;1% from V. tenellum and V. ashei. It is a highly productive cultivar with excellent fresh fruit quality. It is well adapted to all northern highbush production areas. Canes are numerous, moderately branched and the fruit are well exposed. Its berries are large, have small, dry picking scars, medium blue color, good firmness and flavor. Katandin is characterized by high yields, high vigor and strong winter hardiness.