botanical information about Helleborus niger
- Botanical name: Helleborus niger
- Genus: Helleborus
- Family: Ranunculaceae
- Other names: kerstroos - hellebore - hellébore - Lenzrosen
- origin: Europe, Central
Features Helleborus niger
| height: | 10-20 cm |
| flowering: | January - March |
| color: | white |
| leaf color: | dark green |
| habit: | wide, ascending |
| light: | shade |
| moisture: | moist |
| organic matter: | high |
| pH: | limy |
| winter zone: | 4 [-30°C] |
