The Story
Plant Bio
Amorphophallus obscurus is a tuberous perennial known for its large, dramatic leaves and infrequent, striking inflorescences that emit a strong odor to attract pollinators.
This species is distinguished by its impressive, umbrella-like foliage and its ability to produce a rare, foul-scented flower that mimics decaying organic matter.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Partial Sun, Shade
Zones
10
Water
Moderate
Humidity
High
Lifespan
Perennial
Native To
Southeast Asia
Toxicity
Toxic if ingested
Bloom period
Spring – Late fall
In flower about 8 months of the year
Planting
How to Grow
- Tuck corms into well-draining soil in early spring.
- Mist cuttings or young plants regularly to maintain humidity.
- Water consistently, keeping soil moist but not waterlogged.
- Fertilize monthly during active growth with a balanced fertilizer.
- Protect from frost by mulching heavily in winter.
- Divide corms every 3-4 years in early spring for propagation.
Pro Tip
Plant corms at a depth of 4-6 inches in rich, well-draining soil for best growth.
Keep It Thriving
Care Guide
Do
- Water regularly during the growing season 🌱
- Provide partial shade in hotter climates
- Mulch to retain soil moisture
Don't
- Avoid overwatering to prevent rot ❌
- Don’t expose to frost without protection
- Refrain from disturbing corms during dormancy
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Lift Store | ||||||||||||
| 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
Obscure Amorphophallus questions
What zones can Obscure Amorphophallus grow in?
Obscure Amorphophallus is hardy in USDA Zone 10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Obscure Amorphophallus deer resistant?
Not reliably. Deer may browse Obscure Amorphophallus, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Obscure Amorphophallus bloom?
Obscure Amorphophallus typically blooms in spring through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Obscure Amorphophallus need full sun?
Obscure Amorphophallus does best in part shade.
More Amorphophallus to compare
Konjac Voodoo Lily
Amorphophallus konjac
Voodoo Lily
Amorphophallus bulbifer
Yulo Amorphophallus
Amorphophallus yuloensis 'PDN 1'
Pinto Voodoo Lily
Amorphophallus konjac 'Pinto'
Korat Amorphophallus
Amorphophallus koratensis 'Green Stem Form'
Koratensis Amorphophallus
Amorphophallus koratensis 'Dark Stem Form'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Obscure Amorphophallus 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.