Cat's claw

Uncaria tomentosa

Vigorous tropical Peruvian woody vine with hooked thorns ("cat's claws") at the leaf bases. Inner bark is a traditional Amazonian anti-inflammatory and immunomodulator.

Hardiness ratings

Cat's claw hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 9–12 −6.7 °C to 15.6 °C Plant tolerates down to this zone
RHS hardiness rating H3 −5 °C to 1 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 9 −1 °C and warmer Plant tolerates down to this zone
Australian (ANBG) zone Zone 5–7 5 °C and warmer Plant tolerates down to this zone

Growing notes

  • Different plant from "cat's claw" Acacia greggii — verify species when buying
  • Reported drug interactions with immunosuppressants, anticoagulants, and several antiviral medications
  • Always consult a qualified medical or herbal practitioner before using any plant medicinally

Categories

Related plants

Cross-check Cat's claw against your zones

Reference

Cat's claw on Wikipedia