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Alocasia longiloba (Elephant ear, Alocasia)

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Helpful articles

Top plants for hedges and screens. Hedges and screens in gardens create privacy or screen out an unwanted view. Learn about which plants are best for this.

Microclimates in your garden. Did you know your whole garden may be a microclimate that allows you to grow plants that would not thrive on the other side of the street? Read this article to learn more.

Planning your garden. Learn how to design a garden using a step-by-step approach.

Native Hibiscus. An ever increasing interest in native hibiscus has led to the horticultural development of a number of new cultivars which rival the exotic types in beauty and flower size.

Plant description

Alocasia longiloba is a tropical, tuberous perennial plant that is a decorative foliage plant.. It has huge arrow shaped leaves of a bluish green colour, with silver margins and veining. The leaf revereses are a contrasting purple. It can grow in full sun, but does best in part to full shade. It is not frost tolerant.

Alocasias give a tropical feel to a garden, patio or indoors. They are best in tropical and sub-tropical climates, but can also grow in temperate areas in a warm spot.They are suited to garden plantings, as a single specimen or massed planting, as well as being great for containers. They can make good indoor plants, but need bright light and misting to do well for longer periods indoors.

Alocasias need warmth and humidity to grow well. If the surrounding air is too dry the plant is liable to be subject to diseases such as red spider mites.  They prefer a rich, well drained soil and regular watering, especially when larger. Over watering can lead to root rots.

The plant contains irritants which can cause numbing and swelling if ingested.

Additional plant information

Flowers

Flower colour: cream
Flowering season: not specified

Plant size

Maximum height: 1.5 metres
Minimum height: 0.5 metres

Maximum width: 1 metres
Minimum width: 0.5 metres

Sunlight, frost & salt tolerance

This plant will tolerate full or partial sunlight.
Light frost tolerance.
Plant is not salt tolerant.

Fauna attracting?

Not specified.

Climate

This plant species will grow in the following climates: temperate, subtropical, tropical.

Soil types & conditions

Loam: moist, well-drained.

Clay: moist, well-drained.

Sand: moist.

Diseases

Root rot in over wet conditions

Pests

Red spider mite

Miscellaneous information

Planting season: not specified.

Types of fertiliser: Half strength liquid fertiliser applied through the warmer weather.

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