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konjaku | Plant Finder | Fill My Garden

Home/Plants/Bulbs

Plants > Bulbs

konjaku

Amorphophallus konjac

Fragrant

Genus: Amorphophallus
Family: Araceae
Common Names: konnyaku, devil's tongue, snake palm [3], umbrella arum

About this plant

A tuberous perennial producing a single flower in summer consisting of a shiny, red-purple spathe and tall, paddle-like, brown spadix. It has an unpleasant smell to attract pollinating flies.After the flower has faded a single, highly divided leaf appears with bright green leaflets and a stout, olive-green stem with white markings

Growing Information

Height

1-1.5 Metres

Spread

1-1.5 Metres

Hardiness

H1B

Foliage

Deciduous

Growing Conditions

Sunlight

Partial Shade

Soil

Loam

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

East FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Plant dormant tubers 10cm deep in late winter or early spring in a large container of loam-based potting compost. Grow in filtered light, water and feed while in active growth, and overwinter in warm, barely moist conditions

Pruning

No pruning required

Propagation

Separate offsets when dormant, or propagate by seed sown in heat in autumn or early spring

Pests

Generally trouble free

Diseases

Generally trouble free

Garden Uses

Uses

Patio ContainerArchitectural

Planting Places

Conservatory

Season of Interest

SummerAutumn

Size & Characteristics

Height

1-1.5 Metres

Spread

1-1.5 Metres

Habit

Climbing

Time to Full Height

Ten To Twenty Years