Triple Crown - Vining blackberry with good cold tolerance, produces huge crops. Thornless variety. *These are larger 2nd year plants. They will be $10 a gallon pot or plant a patch 10 for $80.00.
 
Ponca - Thornless blackberry known for sweetness, flavor, and bumper crops. Available in gallon pots for $8 or "Plant a Patch" option. Buy 10 for $6.50 each.