Perennial · Ranunculaceae family
Christmas rose
Helleborus niger
In short a 10-second read
Christmas rose (perennial) grows to 0.2–0.3 m tall and 0.3–0.45 m wide when mature. It grows best in part shade to shade, in dry to average soil. It flowers in December–March; the flowers are white. Hardy to −32 °C.
× spread 0.3–0.45 m
Where to plant
Sun, soil, frost.
It grows best in part shade to shade, in dry to average soil. Hardy to −32 °C.
Sun
Tolerates several positions — choose to suit the rest of the garden.
Soil and water
dry to average · watering: moderate
Soil: humus-rich, loamy, clay
Frost
It copes with a normal winter outdoors.
How much space it takes
Mature size.
The mature plant next to a person (175 cm).
Next to a person
Reaches maturity in about 2–5 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.
Calendar
What to do and when.
Months for Central Europe. The line shows the current month.
The year at a glance
Flowers
December–March · white
Pruning
No pruning needed — just remove dead or damaged parts (January–March).
Planting
container plant: March–May, September–November
Winter protection
shelter from wind
Overwintering
In winter it needs protection.
Before the first frosts: shelter from wind.
- Shelter from wind
- Hardy to −32 °C
- Dies back in winter and regrows in spring
What to combine it with
Same needs, different flowering.
They share the same sun and soil and flower in other months — so the bed flowers for longer.
Frequently asked
Quick answers.
When does Christmas rose flower?
In December–March; the flowers are white.
Does Christmas rose tolerate shade?
Yes, it tolerates full shade.
How much space does Christmas rose need?
At maturity 0.3–0.45 m wide and 0.2–0.3 m tall; recommended spacing 35 cm.
Does Christmas rose survive winter outdoors?
Yes, with protection: shelter from wind.
Toxicity
Where the data comes from
We compared the data in 15 expert sources. Last checked 18 October 2026.
Show sources (15)
- NC State Extension Gardener Plant Toolbox
- RHS Plant Finder
- BfN — Gefäßpflanzen
- Neobiota Austria — Neophyten der Unionsliste
- Bamberger Staudengarten (Strobler), katalóg
- Gärtnerei Strickler, katalóg
- Foerster-Stauden, katalóg
- Sarastro Stauden, katalóg
- Staudenkulturen Stade
- Iowa State Extension - How to Plant Perennials
- RHS - How to grow perennial plants
- Tox Info Suisse — Giftige Garten- und Wildpflanzen
- BfR / GIZ — Liste giftiger Pflanzenarten
- Giftzentrale Bonn (GIZ Bonn)
- Invasive plant lists — this species is not on them: Slovakia
Similar plants
_16-12-2021._(d.j.b)_02.jpg){kind=link}