Oregon State University cross widely considered the finest-flavoured blackberry. Glossy, juicy, complex flavour balancing sweet and tart.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 6–9 | −23.3 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H6 | −20 °C to −15 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 6–9 | −18 °C and warmer | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 2–5 | −10 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Susceptible to winter cold below -10 °C — needs zone 6 minimum
- The basis of much commercial Pacific Northwest blackberry production