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Columbia Giant Thornless Blackberry

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Columbia Giant Thornless Blackberry

Easily 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 Giant has great flavor and aromatics. Deer and rabbit resistant. Mature at 5-6 feet. Zones 5-8. Shows excellent resistance to heat damage. Harvest from late June until the end of July
  • Zone 6-8
  • Height 5 - 6 feet
  • Bloom Time Late Spring
  • Light Requirements Full Sun
  • Ship As BAREROOT
We ship this item in Spring. Cannot ship to: AE AK FL GU HI MA PR SC
Availability: Out of Stock


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Product Details

  • Botanical Name:

    Rubus x 'Columbia Giant'

  • Height: 5 - 6 feet
  • Ship As: BAREROOT
  • Spread: 36 - 48 inches
  • Light Requirements: Full Sun
  • Color: White
  • Foliage Type: Green
  • Bloom Time: Late Spring
  • Planting Instructions: Set at the same level they are growing at in the container. Firm well and water in thoroughly
  • Soil Requirements: Tolerant of a wide range of soil types, will do best in a well drained humus enriched soil
  • Pruning: Trim canes to 4' - 5', remove unwanted ones Early spring
  • Winter Care: A winter mulch of straw around the crown is advantageous in colder climates
  • Unable to ship to: AE AK FL GU HI MA PR SC



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