Rhizomatous perennial of the ginger family. The bright orange rhizomes carry curcumin — one of the most studied anti-inflammatory plant compounds.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 8–12 | −12.2 °C to 15.6 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H4 | −10 °C to −5 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 8–9 | −7 °C and warmer | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 4–7 | 0 °C and warmer | Plant tolerates down to this zone |
Growing notes
- Needs 8–10 months of warm humid growing season to develop usable rhizomes
- Dies back to dormant rhizomes in dry or cool weather; harvest at this point
- Curcumin has known interactions with anticoagulants and diabetes medications
- Always consult a qualified medical or herbal practitioner before using any plant medicinally
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Related plants
Cross-check Turmeric against your zones