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Hellebore
Helleborus
Hellebore blooms from February through April.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Hellebore
Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 4–9. Expect it to reach about 16 in tall and 20 in wide at maturity, in roughly 2 years (not yet checked).
What was checked
Mature height and spread, hardiness zones, sun and the trait tags were checked against named botanical sources for this plant. The bloom months and water need on this page were not, and each fact above says which. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant Hellebore
Plant Hellebore in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 6, the middle of its hardy zones 4 to 9, spring means March to May and fall means August or September. Once settled, it blooms from February to April.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 6, the middle of this plant's hardy range, start with zone 6 in March. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Hellebore get?
16 intall5 ft 7 inan adult20 inwideSee Hellebore in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
How far apart to plant Hellebore
Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.
Space Hellebore about 20 in apart, center to center, so each plant has room to reach its full width.
Add Hellebore to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.
Where these facts come from
Hellebore's height, spread, hardiness zones, sun and trait tags were checked against 8 published sources on July 30, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- Missouri Botanical GardenHelleborus foetidus, stinking helleboreheight, spread, hardiness zones, sun and trait tags
- University of Wisconsin HorticultureWisconsin Horticulture, Division of Extension (Lenten Rose, Helleborus...height, spread, hardiness zones, sun and trait tags
- American MeadowsHow to Grow Lenten Rose; its size sentence is written about hellebores...height, spread, sun and trait tags
- Chicago Botanic GardenHellebores, the genusheight, spread, sun and trait tags
- Penn State ExtensionHellebore, the genusheight, hardiness zones, sun and trait tags
- NC State ExtensionHelleborus, the genus entryheight, hardiness zones and sun
- Clemson Home and Garden Information CenterHellebore, the genus factsheetsun and trait tags
- University of Illinois ExtensionIllinois Extension, Plant of the Week (Helleborus, written up as Helle...sun and trait tags
How the checking works, and what each standard covers, is on the verified plants page.
Comes in 10 varieties across 6 colors
Same genus, similar care - pick the color you are growing.
- Anna's Red
- Christmas Rose
- Cinnamon Snow
- Golden Lotus
- Green
- Ivory Prince
- Onyx Odyssey
- Penny's Pink
- Pink Frost
- Wedding Party
Compare every variety in the Hellebore group
Every figure is the variety's own page fact. Tap a name to open it.
| Variety | Color | Blooms | Hardiness | Sun | Size (H × W) |
|---|---|---|---|---|---|
| Anna's Red | Red | Feb–Apr | Zones 4–9 | Part shade | 16 in × 20 in |
| Christmas Rose | White | Jan–Mar | Zones 4–8 | Part shade | 12 in × 16 in |
| Cinnamon Snow | White | Jan–Mar | Zones 4–9 | Part shade | 14 in × 16 in |
| Golden Lotus | Yellow | Feb–Apr | Zones 4–9 | Part shade | 16 in × 20 in |
| Green | - | Feb–Apr | Zones 4–9 | Part shade | 16 in × 20 in |
| Helleborethis page | Pink | Feb–Apr | Zones 4–9 | Part shade | 16 in × 20 in |
| Ivory Prince | White | Feb–Apr | Zones 4–9 | Part shade | 14 in × 16 in |
| Onyx Odyssey | Purple | Feb–Apr | Zones 4–9 | Part shade | 16 in × 20 in |
| Penny's Pink | Pink | Feb–Apr | Zones 4–9 | Part shade | 16 in × 20 in |
| Pink Frost | Pink | Jan–Mar | Zones 4–9 | Part shade | 16 in × 20 in |
| Wedding Party | White | Feb–Apr | Zones 4–9 | Part shade | 16 in × 20 in |
Good to know about Hellebore
Curated from university extensions, botanic gardens and other primary sources, with the source named on every note. A note reports what its source says; where that differs from a fact above, the fact above is this entry's stored value, and its mark says whether it has been checked.
Safety
All parts are toxic to people and pets: they hold cardiac glycosides that act on the heart like foxglove. The sap also irritates skin, so wear gloves. per ASPCA and NC State
Worth knowing
One of the earliest perennials to bloom, opening in late winter, and its petal-like sepals hold color for one to three months, far longer than true petals last. per NC State
Hardiness varies by species
Lenten rose is hardy USDA zones 4 to 9, but Christmas rose goes to zone 3 and Corsican hellebore only to zone 6. Match the species to your zone. per Clemson
Late-winter leaf cut
As flowers and new leaves push up, cut the old tattered evergreen foliage off at the ground. It shows the flowers and cuts fungal leaf spot. per Wisconsin
Deer and rabbit resistant
Deer and rabbits leave it alone: every part is toxic and bitter, and the leathery leaves deter browsing. The same chemistry makes it poisonous to handle. per NC State
Self-seeds into free plants
Leave the seed pods to ripen and drop, and volunteer seedlings appear around the parent, the easiest way to get new plants. Hybrid seedlings vary from the parent. per Wisconsin
Early food for bees
Because it blooms when almost nothing else does, it feeds early-emerging bees on warm late-winter days. Valued more for its timing than for heavy visitation. per Penn State
What pairs well with Hellebore
Good companions share its growing conditions and add something it lacks: an earlier or later bloom, a lower carpet in front, or structure through winter.
Foxglove
Shares part shade and moderate water; blooms in late spring as this one finishes; both offer pollinator forage, in different months; taller at 4 ft, for the layer behind it.
Lobelia
Takes part sun to part shade and moderate water; blooms in late spring as this one finishes; both offer pollinator forage, in different months; lower at 8 in, for the front of the border.
Dead Nettle
Shares part shade and moderate water; blooms in late spring as this one finishes; lower at 8 in, for the front of the border; both offer pollinator forage, in different months.
Jacob's Ladder
Shares part shade and moderate water; blooms in late spring as this one finishes; both offer pollinator forage, in different months.
Beautyberry
Takes part sun to part shade and moderate water; blooms in early summer, extending the bed's season; both offer pollinator forage, in different months; taller at 5 ft, for the layer behind it.
Japanese Stewartia
Takes part sun to part shade and moderate water; blooms in early summer, extending the bed's season; both offer pollinator forage, in different months; its white flowers settle the pink.
Rhododendron
Shares part shade and moderate water; blooms in late spring as this one finishes; both offer pollinator forage, in different months; taller at 6 ft, for the layer behind it.
Wishbone Flower
Shares part shade and moderate water; blooms in early summer, extending the bed's season; both offer pollinator forage, in different months; lower at 10 in, for the front of the border.
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Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.