The Story
Plant Bio
Arisaema taiwanense 'Silver Heron' is a striking perennial with distinctive, palmately divided leaves and unique, hooded spathe flowers that display a subtle silver sheen, adding visual interest to shaded gardens.
This cultivar is celebrated for its elegant, metallic silver coloration on the spathe, which enhances its ornamental appeal and makes it a standout among other Arisaema species.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
18 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
6, 7, 8, 9
Water
Moist
Humidity
High
Lifespan
Perennial
Native To
Taiwan
Toxicity
All parts are poisonous; can cause skin irritation
Planting
How to Grow
- Tuck seeds into moist soil in early fall
- Mist cuttings regularly to maintain humidity
- Plant bulbs in well-drained, moist soil in early spring
- Water consistently during active growth
- Mulch around base to retain moisture
- Divide in late fall for propagation
Pro Tip
Ensure soil remains moist and well-drained for best growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to conserve moisture and regulate temperature
- Divide bulbs in fall to propagate
Don't
- Avoid letting soil dry out completely ❌
- Don't expose to full direct sun in hot climates
- Avoid overwatering to prevent rot
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Plant |
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
Silver Heron Taiwan Cobra Lily questions
What zones can Silver Heron Taiwan Cobra Lily grow in?
Silver Heron Taiwan Cobra Lily 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 Silver Heron Taiwan Cobra Lily deer resistant?
Yes — Silver Heron Taiwan Cobra Lily is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Silver Heron Taiwan Cobra Lily bloom?
Silver Heron Taiwan Cobra Lily typically blooms in late spring to early summer through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Silver Heron Taiwan Cobra Lily need full sun?
Silver Heron Taiwan Cobra Lily does best in part shade.
More Arisaema to compare
Japanese Cobra Lily
Arisaema ovale
Jack-in-the-pulpit
Arisaema triphyllum
Himalayan Cobra Lily
Arisaema consanguineum
Arisaema engleri Green Spathe Form
Arisaema engleri 'Green Spathe Form'
Nebraska Green Dragon
Arisaema dracontium 'Nebraska'
Japanese Jack-in-the-Pulpit
Arisaema serratum
Keep exploring
Explore the genus
Hardy in your zone?
Grow Silver Heron Taiwan Cobra Lily 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.