Blackberry

Rubus fruticosus

Vigorous cane fruit with sprawling, often thorny growth. Modern thornless cultivars (Loch Ness, Triple Crown) make cultivation far easier.

Hardiness ratings

Blackberry hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 5–10 −28.9 °C to 4.4 °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 1–6 −15 °C to 15 °C Plant tolerates down to this zone

Growing notes

  • Declared invasive in several Australian states (Victoria, Tasmania) and parts of New Zealand — check local rules before planting
  • Choose thornless cultivars for garden use; train on horizontal wires

Categories

Related plants

Cross-check Blackberry against your zones

Reference

Blackberry on Wikipedia