Columbia Giant Blackberry Options:1 Potted Plant | Fall Large blooms grow 5 1/2-6

Large blooms grow 5 1/2-6 inches and display a pretty picotee edge

tree is lovely enough to be used as an ornamental

disease-resistant plants

Red-skinned Lucy Rose has crisp

Columbia Giant Blackberry Options:1 Potted Plant | Fall Large blooms grow 5 1/2-6Easily the largest blackberry that we know of. When your neighbors see these, they'll be impressed! Columbia Giant was bred by Dr. Chad Finn at Oregon State University. Thornless. Trailing type requires supports to train canes to grow up and out (naturally grows toward the ground). Disease resistant. New canes can be trained right up through the older floricanes without needing to prune out old canes first, and without any disease problems. Columbia