Blackcurrant

Ribes nigrum

Deciduous shrub bearing intensely flavoured black berries packed with vitamin C. Cool-summer plant — declines quickly in hot dry climates.

Hardiness ratings

Blackcurrant hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 3–7 −40 °C to −12.2 °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 3–7 −34 °C to −7 °C Plant tolerates down to this zone
Australian (ANBG) zone Zone 1–3 −15 °C to 0 °C Plant tolerates down to this zone

Growing notes

  • Among the highest natural sources of vitamin C in temperate fruit
  • Prune out a third of older wood at the base each winter
  • Always consult a qualified medical or herbal practitioner before medicinal use.

Categories

Related plants

Cross-check Blackcurrant against your zones

Reference

Blackcurrant on Wikipedia