Boysenberry

Rubus ursinus × idaeus

Raspberry-loganberry-blackberry hybrid developed in California and refined commercially in New Zealand. Large, deep purple, intensely flavoured fruit.

Hardiness ratings

Boysenberry hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 5–9 −28.9 °C to −1.1 °C Plant tolerates down to this zone
RHS hardiness rating H7 down to −20 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 5–9 −23 °C and warmer Plant tolerates down to this zone
Australian (ANBG) zone Zone 1–5 −15 °C to 10 °C Plant tolerates down to this zone

Growing notes

  • Trailing growth — train on wires or a sturdy trellis
  • New Zealand is the largest commercial producer worldwide

Categories

Related plants

Cross-check Boysenberry against your zones