Small bulb with star-shaped deep blue flowers held above just two strap-like leaves, opening with the snowdrops or shortly after in earliest spring.
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 | H7 | down to −20 °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 1–3 | −15 °C to 0 °C | Plant tolerates down to this zone |
Growing notes
- Flowers February–March in much of the Northern Hemisphere — one of the very first spring bulbs alongside snowdrops
- Naturalises freely by seed under deciduous trees
- Earlier flowering and smaller than the related Scilla siberica
- Needs winter chilling
Pet caution: Two-leaf squill 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 Two-leaf squill against your zones