Description and specifications of a new and distinct blackberry cultivar named `Natchez` which originated from seed produced by a hand pollinated cross of Ark. 2005 (non-patented).times.Ark. 1857 (non-patented) is provided. This new blackberry cultivar can be distinguished by its high yields, large fruit size, good fruit quality, early season fruit ripening, prolific fruiting row establishment, and healthy plants.