Autumn-flowering corm whose dried red stigmas are the spice saffron.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 6–9 | −23.3 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H5 | −15 °C to −10 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 6–8 | −18 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 2–5 | −10 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- The three red stigmas of each flower are hand-picked and dried as saffron
- Needs a hot, dry summer dormancy and sharp drainage in a sunny spot
- Each corm yields only a few flowers, so many are needed for a usable harvest
Categories
Related plants
Cross-check Saffron crocus against your zones