These are the following varieties of purple raspberries (Rubus idaeus) we carry in 1 gal:
 
Amethyst - H: N/A, W: N/A, Sun: Full, Fruit: Large purple berries with a rich flavor. Berries begin ripening in July/August and harvest will last up to 6 weeks. Note: This variety was originally developed by the University of Iowa in the 1960s and plants are self-fertile. The plants are also really hardy and have been trailed along the Chena River near Fairbanks Alaska. Zone: 1-7. 
 
Shipping only available in NY State between May 31st and October 31st. Pickup of potted plants available on the farm or at farmers' market after May 31st and before October 31st. 
 
Picture Source: Shona Ort, Ort Family Farm