Cinnamon Snow (Helleborus × ballardiae 'Cinnamon Snow') - white flowers, illustrated plant cardIllustration

Cinnamon Snow

Helleborus × ballardiae 'Cinnamon Snow'

Cinnamon Snow blooms from January through March.

Bloom calendar
Bloom time
Jan–Mar
not yet checked
Hardiness
Zones 4–9
not yet checked
Sun
Part shade
not yet checked
Water
Moderate water
not yet checked
Mature size
14 in × 16 in
not yet checked
Type
Perennial
house classification

Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.

Growing Cinnamon Snow

Plant it in part shade. It prefers moderate water. It is hardy in USDA zones 4–9. Expect it to reach about 14 in tall and 16 in wide at maturity, in roughly 2 years (not yet checked).

Verification
What this means

Written with AI assistance and not yet checked plant by plant against recorded sources, so treat every fact above as a starting point. Its scientific name was checked against botanical registries, an audit keeps its values consistent with the rest of the library, and a July 2026 review re-read the main facts of every plant then in the library against horticultural authorities without recording a source for each, which is why none of that counts as checked here. The source-by-source check is working through the whole library in the open, and a checked plant says so in this row.

When to plant Cinnamon Snow

Plant Cinnamon Snow 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 January to March.

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 Cinnamon Snow get?

Illustration of Cinnamon Snow drawn to scale beside an adult14 intall5 ft 7 inan adult16 inwide
About 14 in tall and 16 in wide at maturity: knee-high beside an adult.

See Cinnamon Snow 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 Cinnamon Snow

Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.

Space Cinnamon Snow about 16 in apart, center to center, so each plant has room to reach its full width.

Plant them
16 in apart
Per 10 sq ft
about 6
4 by 8 ft bed
about 18

Add Cinnamon Snow to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.

Good to know about Cinnamon Snow

Curated from university extensions, botanic gardens and other primary sources, with the source named on every note.

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

The Hellebore group

One of 11 in the Hellebore group. Same genus, similar care.

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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.

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