(1 Gallon Plant) Blackberry Natchez, Excellent, Thornless, Erect Blackberry, One of the First Producers of the Season Natchez Blackberry - Plant shipped in 1 gallon pot. Thornless, semi-upright, spine-free growing habit Large Delicious Berries are Sweet and Black. One of the first producers of the season. Hardy in Zones 5-9 Best in Full Sun Disease-resistant, Self-pollinating, Fruit stores well.