Blackberry - Rubus hybrid 'Columbia Star'
The ‘Columbia Star’ is a thornless, trailing type blackberry. Its fruit is one of the largest for a thornless blackberry. The fruit is conical shaped, firm, dark purple to black and sweet tasting. It ripens in early mid season. It will mature to 5’-6’ and is hardy to zones 7-9, to around 10 F.
Height: 5'-6', but can be kept smaller with some pruning.
Minimum temperature: Hardy to 10ºf .
USDA zone: 7-9. Find your zone here.
Light: Full sun to part sun.
Bearing age: 1-2 years. 10-15 lbs per plant.
Growth Habit: Trailing floricanes.
Cane Type: Thornless.
Water/soil: Average to fertile, moist, well drained soil
Pollination requirements: None. It is self fertile but will do better with another type nearby.
Ripens: Mid summer through September.
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