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AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names Amazonian elephant's ear African mask
Synonyms Alocasia amazonica
Family Araceae
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
Details A. x amazonica is 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
Foliage Evergreen
Habit Bushy
Toxicity Ingestion may cause severe discomfort, skin and eye irritant. Wear gloves and other protective equipment when handling
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1A
Partial Shade
Aspect West-facing or East-facing
Exposure Sheltered
Loam
MoistureMoist but well-drained
SoilLoam
pHAcid, Neutral
Ultimate height 1-1.5 metres
Ultimate spread 1-1.5 metres
Time to ultimate height 5-10 years
Cultivation Grow indoors in a potting mixture of equal parts of composted bark, loam and sand, in filtered light. Water freely in the growing season and provide high humidity by placing the container on a tray or moist gravel or pebbles. Apply a balanced liquid fertiliser every 2-3 weeks. Water moderately in winter. Requires a minimum temperature of 15-18°C (59-64°F)
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 & Container Plants
Pruning No pruning necessary
Pests Glasshouse red spider mite and mealybugs may occur
Diseases Generally trouble free
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