The Story
Plant Bio
Helleborus x hybridus 'Kingston Cardinal' is a perennial evergreen shrub with elegant, leathery, dark green foliage and nodding, cup-shaped flowers in a striking deep red hue, blooming in late winter to early spring.
This cultivar is renowned for its vibrant, long-lasting blossoms and its ability to tolerate shade and cold, making it a popular choice for early spring garden interest.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
12 inches
Width
18 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Prefers moderate humidity
Lifespan
Many years
Native To
Cultivated hybrid
Toxicity
Toxic if ingested
Bloom period
Late winter – Early spring
In flower about 2 months of the year
Planting
How to Grow
- Select a shaded spot with well-draining soil.
- Tuck seeds or divisions into the soil in early fall or late winter.
- Mist cuttings regularly to maintain humidity.
- Mulch around the plant to retain moisture and suppress weeds.
- Fertilize lightly in early spring with a balanced fertilizer.
- Protect from heavy frost with mulch or cover during winter.
Pro Tip
Plant in shade with rich, moist soil for best results.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Mulch to conserve moisture and insulate roots
- Fertilize in early spring with a balanced, slow-release fertilizer
- Remove old leaves in late winter for a cleaner look
Don't
- Avoid overwatering, which can cause root rot ❌
- Don’t expose to direct, harsh sunlight
- Refrain from fertilizing in late summer
- Never disturb roots during the growing season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Kingston Cardinal Hellebore questions
What zones can Kingston Cardinal Hellebore grow in?
Kingston Cardinal Hellebore is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Kingston Cardinal Hellebore deer resistant?
Yes — Kingston Cardinal Hellebore is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Kingston Cardinal Hellebore bloom?
Kingston Cardinal Hellebore typically blooms in late winter through early spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Kingston Cardinal Hellebore need full sun?
Kingston Cardinal Hellebore does best in part shade.
More Helleborus to compare

Hellebore Wedding Party Mix
Helleborus x hybrida 'Wedding Party Mix'

Lenten Rose Hybrid Mix
Helleborus x hybrida 'Mix'

Lenten Rose Double Queen Strain
Helleborus x hybridus 'Double Queen Strain'

First Dance Lenten Rose Hellebore
Helleborus orientalis 'First Dance'

Peppermint Ice Lenten Rose
Helleborus x hybrida 'Peppermint Ice'

Tropical sunset Lenten Rose
Helleborus orientalis 'Tropical sunset'
Keep exploring
Explore the genus
Grow Kingston Cardinal Hellebore with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.






















