Columbia Giant Thornless Blackberry

Rubus subg. Rubus Watson 'Columbia Giant' When we say Columbia Giant, we're not kidding! Enjoy bountiful crops of the largest-ever, thornless blackberries. The mild-flavored fruit is firm and easy to pick, conical in shape, and sweet - with a pleasing touch of tartness and just a hint of raspberry flavor.  It is a new introduction from Oregon State University and the USDA, proven to thrive and be hardy in the Pacific Northwest and many other areas of the nation. Ripens early summer - early July here in the PNW. The plants are trailing and vigorous, and would benefit from trellis support. Expect 10-15 pounds of berries per crown. Cold Hardy to USDA Zone: 6 Mature Height: 6' Sun: Full Sun Ripening Time: Early Pollination: Self-Fruitful Read our Blackberry Growing Guide