Elephant Ear

Alocasia Macrorrhiza  a.k.a Elephant Ear

Elephant Ear Plant Care Guide

Elephant Ear Quick Overview

Full Size6 foot
LightBright indirect
Temperature55- 80°F
Care LevelEasy

Elephant Ear Size

When kept indoors with proper care you can expect your plant to reach a maximum of 6 foot or more in length. Mature Elephant Ear plants can grow up to 8 foot tall, similarly this is around the same size of actual African Elephant Ears of 6 feet.

Light Requirements

The preferred light position is bright indirect light, thus for best growth requires this in order to thrive. In addition, a sign your plant is getting too much light during the day is burnt leaves. Furthermore this can be resolved by changing the position of your plant to somewhere that better suits it’s light requirements.


These Plants will tolerate an area which ordinarily maintains a temperature of 55- 80°F (12-26˚C). However for the best performance of your plant keeping them above 15 degrees Celsius is ideal. If you live in a colder climate or during winter months with temperatures below this a greenhouse is recommended. Being kept outside of this temperate range for prolonged periods of time can eventually lead to poor plant health.


Maintaining a medium to high humidity will assist in keeping your Elephant Ear above all, happy and healthy. If your plant is housed in a spot with a humidity level consistently outside of this range click here for detailed tips on how to specifically increase or decrease humidity levels.

Watering Requirements

Elephant Ear like the soil to be constantly moist granted that You should water your plant when the top inch of soil is dry. When watering, water until the water is draining freely from the drainage holes. During hot summer months frequent watering will be required to keep your plant happy and healthy, in the winter months watering can be reduced to a lesser frequency to counter reduced precipitation.

Fertilizing requirements

In addition to watering regularly as a rule of thumb your Elephant Ear should ideally be fertilized 3 times a year with a slow release fertilizer. Fertilize sparingly and at least 6 inches away from the base. This will assist in keeping your plant alive as well as promote healthy growth. It’s best to use high quality fertilizers in contrast of cheaper fertilizers that contain heavy salts, which should be avoided as they can damage the roots and could even kill the plant.

Soil Requirements

Elephant Ear require rich organic and moist soil that is well draining. Therefore, it is best to try and avoid wet, mucky or dry, sandy soils.

Elephant Ear Diseases & Pests

The most common diseases and pests that you can encounter whilst caring for your plant in particular include, spider mites, thrips, bacterial leaf spot, phyllosticta leaf spot and or leaf blight. In addition to this list for a wide range of information on combating and dealing with a large range of indoor plant diseases and pests click here.


These plants are considered to be toxic thus can consequently be deadly if consumed. However, due to copious amounts of leaves and stems needed to be ingested for a lethal dose, it is unlikely to result in a fatality. Make sure to carefully monitor pets and especially children around your elephant ear to avoid any potential risks.

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