Alocasia amazonica

RHS Plant Profile
African mask

Other common names

Amazonian elephant's ear

Synonyms

Alocasia amazonica

Award of Garden Merit
Conservatory Greenhouse Houseplants

A robust evergreen rhizomatous perennial to 1.5m tall, with narrowly arrow-shaped, wavy-edged leaves to 60cm long, dark green with silver veins above, purple beneath

Position

Partial shade

Soil Types

Loam

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1-1.5 metres
Max Height
1-1.5 metres

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Partial shade
Aspect
West–facing or East–facing
Exposure
Sheltered
Hardiness
H1A

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Araceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
TOXIC if eatenskin/eye irritant. Wear gloves and other protective equipment when handling. TOXIC to pets - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Alocasia are robust evergreen rhizomatous or tuberous perennials with large, usually peltate, leaves with conspicuous veins; insignificant flowering spathes may be followed by orange-red fruits
Name Status
Correct

How to Grow

Cultivation

Grow indoors in a peat-free houseplant compost with added perlite, in bright, indirect light. Water freely and apply a general liquid fertiliser every 2-3 weeks from spring to autumn. Provide high humidity by placing the container on a tray of moist gravel or pebbles. Reduce watering to a minimum in winter, and keep above 15°C. See Alocasia for further advice

Propagation

Propagate by seed at 23°C (73°F) as soon as ripe. Propagate by division in spring or summer. Propagate by stem cuttings in spring

Suggested planting locations and garden types

  • Patio and container plants

Pruning

No pruning required

Pests

May be susceptible to glasshouse red spider mite and mealybugs

Diseases

Generally disease-free