The Story
Plant Bio
Amorphophallus atroviridis, known as Pewterware, is a tropical perennial with a large, distinctive spadix and spathe, featuring lush green foliage that emerges dramatically during the growing season.
This cultivar is distinguished by its unique metallic-green coloration and smooth texture, making it a striking addition to tropical or exotic plant collections.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
12 inches
Light
Partial Sun, Shade
Zones
10
Water
Consistent moisture, avoid waterlogging
Humidity
High humidity preferred
Lifespan
Perennial
Native To
Southeast Asia
Toxicity
Yes, toxic if ingested
Bloom period
Spring – Late fall
In flower about 8 months of the year
Planting
How to Grow
- Tuck bulbs 4 inches deep into well-draining soil
- Mist cuttings regularly to maintain humidity
- Water consistently during active growth, avoiding waterlogging
- Apply balanced fertilizer monthly in spring and summer
- Mulch around base to retain moisture and regulate temperature
- Transplant in early spring after frost risk passes
Pro Tip
Ensure excellent drainage to prevent bulb rot and highlight its unique foliage.
Keep It Thriving
Care Guide
Do
- Water regularly during growing season 💧
- Apply organic compost annually 🌱
- Mulch to conserve moisture and suppress weeds
Don't
- Avoid overwatering to prevent bulb rot ❌
- Do not expose to frost without protection ❄️
- Refrain from using heavy, clay-heavy soil
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
Pewterware Amorphophallus questions
What zones can Pewterware Amorphophallus grow in?
Pewterware 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 Pewterware Amorphophallus deer resistant?
Not reliably. Deer may browse Pewterware Amorphophallus, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Pewterware Amorphophallus bloom?
Pewterware 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 Pewterware Amorphophallus need full sun?
Pewterware 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 Pewterware 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.