Columbia Star Thornless Blackberry
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Product details
| Management number | 232233422 | Release Date | 2026/06/21 | List Price | US$3.87 | Model Number | 232233422 | ||
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Rubus subg. Rubus watson 'Columbia Star'
Columbia Star, released in 2014, is a vigorous, thornless, trailing blackberry. It has superior flavor, large firm berries and is very consistently productive. The flavor is rated as good or better than Marionberry, which is 20% of Columbia Star's parentage. It ripens early mid-season; mid-July in Oregon's Willamette Valley. Developed by Oregon State University with the USDA. Patent #25,300.
It is somewhat hardier than a Marionberry; hardy to below 10 F. Its shorter canes end at 6 feet, and coupled with its thornless structure, it's particularly easy to manage in the home landscape.
Cold Hardy to USDA Zone: 7
Mature Height: to 6'
Sun: Full Sun
Ripening Time: Midseason
Pollination: Self-Fruitful
Read our Blackberry Growing Guide
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