Amorphophallus napalensis is a distinctive Himalayan aroid grown for its unusual foliage and striking flower structure. This exotic tuberous plant produces a single large divided leaf carried on a heavily mottled stem.

When mature, the plant produces an unusual spathe and spadix flower in shades of yellow to apple green.

• Height: about 60cm
• Spread: 40–50cm
• Flower colour: yellow to apple green
• Flowering time: spring to early summer when mature
• Position: partial shade
• Soil: rich, well-drained soil

About Amorphophallus napalensis

Amorphophallus napalensis grows from underground tubers and produces a single upright stem each growing season.

The stem is heavily mottled and supports a segmented leaf that spreads like a small umbrella.

When conditions are favourable, the plant produces a distinctive flower structure.

• A pale yellow to apple-green spathe
• A cream central spadix

This unusual inflorescence is typical of many plants in the arum family.

This species is considered easy to grow but is rarely offered for sale, making it appealing to collectors of unusual plants.

Benefits for UK Wildlife

Amorphophallus napalensis contributes to diversity in shaded gardens.

• Provides shelter for insects in shaded planting areas
• Supports habitat diversity in woodland-style gardens
• Pairs well with other shade-loving plants

Plant alongside ferns and woodland perennials to create a layered shade planting scheme.

Where to Grow Amorphophallus napalensis

• Shaded garden borders
• Woodland gardens
• Large patio containers
• Greenhouses or conservatories
• Sheltered exotic planting

Many gardeners grow this plant in containers so it can be protected in colder weather.

Planting Tips

• Plant tubers in spring.
• Place tubers about 7.5–10cm deep in compost.
• Use rich soil containing leaf mould, loam, sand and grit.
• Plant bulbs roughly 25–30cm apart when growing outdoors.
• Keep soil fairly dry until growth begins.
• Water and feed regularly once growth develops.

Large flowering-size tubers can produce flowers in the same growing season.

Why Grow Amorphophallus napalensis

• Unusual exotic foliage
• Distinctive green spathe flowers
• Rarely available collector’s plant
• Suitable for containers or shaded gardens
• Interesting structure typical of aroid plants

If you enjoy unusual plants, Amorphophallus napalensis offers exotic foliage and distinctive flowers for sheltered garden spaces or container growing.