Species behind the hottest commonly-grown chillies — Habanero, Scotch Bonnet, Ghost, Carolina Reaper. Long warm season required.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 2–12 | −45.6 °C to 15.6 °C | Zones where it can be grown as an annual — not a frost-tolerance rating |
| RHS hardiness rating | H1c | 5 °C to 10 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 2–9 | −40 °C and warmer | Zones where it can be grown as an annual — not a frost-tolerance rating |
| Australian (ANBG) zone | Zone 1–7 | −15 °C and warmer | Zones where it can be grown as an annual — not a frost-tolerance rating |
As a tender annual, Chilli — Hot (Capsicum chinense) doesn't overwinter — the zone range shows where the growing season supports it. See the RHS rating for its actual cold tolerance.
Growing notes
- Slower to germinate and mature than C. annuum — start indoors 8–10 weeks before last frost
- Perennial in zones 10+; treat as annual elsewhere
Pet caution: Chilli — Hot (Capsicum chinense) is listed as potentially harmful to cats and/or dogs. Keep pets from grazing on it, and contact a vet if you suspect your animal has eaten some.
Categories
Related plants
Cross-check Chilli — Hot (Capsicum chinense) against your zones