Giant Taro plant

Giant Taro

Alocasia macrorrhizos

Updated Aug 7, 2026

Giant Taro (Alocasia macrorrhizos), also known as Elephant Ear, is a bold tropical plant with huge shield-shaped leaves, thriving in bright indirect light, warm humidity, and rich moist well-draining soil.

About Giant Taro

Giant Taro is a bold tropical foliage plant grown for its huge heart- or shield-shaped leaves and its strong architectural presence. Each leaf rises on a thick upright stalk, giving the plant a tall, sculptural look that can quickly turn a plain corner or terrace into a more tropical space.

From a distance, the leaves read like large green sails. Up close, the broad blades show clear veins, a slightly rippled surface, and a strong response to light across the leaf face. That size and structure are what make Giant Taro feel much bigger than a typical potted plant.

Its growth also responds quickly to conditions. With warmth, humidity, and steady moisture, Giant Taro gradually builds thicker stalks and more imposing foliage. When the balance is wrong, the leaves often reveal it early through browning, stretching, or collapse.

How to Care for Giant Taro

Watering

Keep the soil consistently and deeply moist, but never swampy. Water thoroughly when the top inch (2–3 cm) of the mix are just beginning to dry, then let excess drain away completely.

Do not leave the pot standing in water, because constantly saturated soil can rot the roots and cause the leaves to collapse. In warm bright weather, Giant Taro often needs frequent watering, while in cooler or lower-light periods the interval can be reduced slightly.

Avoid letting the root ball dry out hard. That usually shows quickly as drooping growth and browning along the leaf edges.

Sunlight

Provide bright, indirect light or light partial shade. A spot near an east-facing window, or slightly back from a brighter south- or west-facing window with filtered light, suits Giant Taro well indoors.

Outside, morning sun with afternoon shade is a better fit than harsh midday exposure. Too little light leads to longer stems and smaller thinner leaves, while strong direct sun can scorch the foliage and leave pale or brown patches.

Temperature

Keep Giant Taro in warm, stable conditions, ideally around 64–77°F (18–25°C) or slightly warmer.

It does not respond well to cold drafts or sudden temperature drops. Avoid placing it near frequently opened outside doors, cold winter glass, or direct blasts from heaters and air conditioners. Temperatures much below about 59°F (15°C), especially with wet soil, can lead to leaf loss and semi-dormancy.

Humidity

Aim for high humidity to keep the large leaves looking fresh and healthy.

In dry indoor air, Giant Taro often develops brown edges and tips, and new leaves may open imperfectly. Grouping it with other tropicals, using a pebble tray, or placing a humidifier nearby can help. Gentle airflow is still useful so the foliage does not remain constantly wet and stagnant.

Soil

Use a rich organic, well-draining mix. Giant Taro grows best in a medium that holds moisture and nutrients while still allowing water to pass through freely.

A chunky, airy structure is important because the roots perform better in moist but oxygenated spaces than in a compact, waterlogged mass. A large sturdy pot with generous drainage holes is essential.

Feeding & Maintenance

During spring and summer, feed Giant Taro every 4–6 weeks with a balanced, diluted fertilizer to support its strong growth and large leaves.

Wipe dust from the leaf surfaces from time to time with a soft damp cloth so the plant can function efficiently. It is normal for older lower leaves to yellow and die as new ones appear, and these can be removed cleanly at the base with sterilized tools.

Safety & Handling

Giant Taro contains irritating calcium oxalate crystals in its sap, so handle it carefully if your skin is sensitive.

Avoid getting sap in the eyes or mouth, and keep the plant out of reach of children or pets that might chew the leaves or stems.