perennial

Amorphophallus operculatus

The Story

Plant Bio

Amorphophallus operculatus is a tuberous perennial known for its large, dramatic leaves and distinctive inflorescence that emits a strong odor to attract pollinators, with a robust, tropical appearance.

This species is notable for its unique, umbrella-like leaf structure and its ability to produce a striking, often scent-emitting flower that resembles a spadix enclosed by a spathe.

Uses & Benefits:

Creates a striking focal point with its dramatic foliage and exotic appearance, perfect for tropical or shade gardens.

Provides ground cover in shaded areas, suppressing weeds and adding texture.

Supports local insect populations with its nectar and habitat options.

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

24 inches

Light

Partial Sun, Shade

Zones

Water

Moderate

Humidity

High

Lifespan

Several years with proper care

Native To

Tropical Asia

Toxicity

Toxic if ingested

Bloom period

Late summer – Late fall

In flower about 4 months of the year

Planting

How to Grow

Tuck bulbs 4 inches deep in well-draining soil
Water regularly but do not overwater, keep soil moist
Place in partial shade for optimal growth
Apply balanced fertilizer monthly during active season
Mulch to retain soil moisture and regulate temperature
Protect from frost in winter by mulching or bringing indoors

Pro Tip

Ensure soil is well-drained to prevent bulb rot and provide partial shade for best results.

Keep It Thriving

Care Guide

Do

Water consistently during growing season 💧
Apply fertilizer monthly during active growth
Mulch to conserve moisture and regulate temperature

Don't

Overwater to avoid bulb rot ❌
Expose to full sun which may scorch leaves ❌
Neglect winter protection in colder zones ❌

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

Tropical-themed borderExotic container displayShade garden accent

Companion Plants

Ferns Hostas Caladiums Cordyline

Multiply

Propagation Methods

Good to Know

Common Questions

Amorphophallus operculatus questions

What zones can Amorphophallus operculatus grow in?

Amorphophallus operculatus 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 Amorphophallus operculatus deer resistant?

Not reliably. Deer may browse Amorphophallus operculatus, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Amorphophallus operculatus bloom?

Amorphophallus operculatus typically blooms in late summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Amorphophallus operculatus need full sun?

Amorphophallus operculatus does best in part shade.