OUACHITA (Thornless): Forth release of patented thornless blackberry from the University of Arkansas. Ripens June 12th in Arkansas. Very productive, medium to large fruit, sweet, firm berries. Suitable for fresh market or commercial shipping. Good disease resistant. Very erect, free standing plant that will bridge the gap between Arapaho and Navaho. Zones 5-8. Ouachita Blackberry is not your average blackberry. Ouachita is a thornless variety that is extra sweet and juicy. It's perfect for snacks, pies, jams, and even wine. Ouachitas are extremely disease resistant and are adaptable to a wide range of climates. They're also easy to grow and require very little maintenance From Pense Nursery, Inc.