Siebold's Calanthe
Calanthe kawakamiense
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
12 inches
Width
8 inches
Light
Partial Sun, Shade
Zones
6, 7, 8, 9
Water
Keep soil moist, avoid waterlogging
Humidity
High humidity preferred
Lifespan
Perennial
Native To
Japan
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Calanthe sieboldii is an elegant, hardy terrestrial orchid with broad, pleated, evergreen leaves. In spring, it sends up flower spikes bearing large, fragrant, bright yellow flowers. This species is prized for its exceptionally large and vibrant yellow flowers, which are among the most striking in the genus, making it a standout in the shade garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck rhizomes into well-draining, humus-rich soil in shaded area.
- Mist leaves regularly to maintain humidity and prevent drying.
- Water sparingly during dormant period, keep soil moist during growth.
- Place in indirect light; avoid direct sun which can scorch leaves.
- Fertilize monthly with orchid-specific fertilizer during active growth.
- Divide clumps every 3-4 years in early spring to propagate.
Pro Tip
Maintain high humidity and avoid direct sunlight for best blooms.
Keep It Thriving
Care Guide
Do
- Keep soil moist but not waterlogged 🌱
- Provide bright, indirect light
- Fertilize monthly during active growth
- Ensure good air circulation
Don't
- Avoid direct sunlight which can scorch leaves ❌
- Do not overwater during dormancy
- Avoid placing in dry, windy locations
- Never let soil become completely dry
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Siebold's Calanthe questions
What zones can Siebold's Calanthe grow in?
Siebold's Calanthe is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Siebold's Calanthe deer resistant?
Not reliably. Deer may browse Siebold's Calanthe, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Siebold's Calanthe bloom?
Siebold's Calanthe typically blooms in early spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Siebold's Calanthe need full sun?
Siebold's Calanthe does best in part shade.
More Calanthe to compare
Calanthe reflexa
Calanthe reflexa
Calanthe aristulifera
Calanthe aristulifera
Calanthe Orchid Takane
Calanthe x hybrida 'Takane'
Kozu Spice Calanthe
Calanthe waterfallii 'Kozu Spice'
Kojima White Calanthe
Calanthe x hybrida 'Kojima White'
Takane Calanthe
Calanthe takane
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Siebold's Calanthe 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.
