Hardy spring bulb with dense spikes of small, blue, grape-like flowers.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 4–8 | −34.4 °C to −6.7 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H6 | −20 °C to −15 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 4–8 | −29 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 1–5 | −15 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Dense spikes of small blue, grape-like spring flowers; naturalises freely in sun or light shade
- A hardy, easy bulb that multiplies quickly and can spread enthusiastically
- Grown ornamentally — the bulbs are not edible
Categories
Related plants
Cross-check Grape hyacinth against your zones