Alocasia macrorrhizos — Giant taro (Upright elephant ear)
⚠️ Toxic to pets

Plants

Giant taro (Upright elephant ear) care: light, water & problems

Scientific name: Alocasia macrorrhizos · Common name: Giant taro (Upright elephant ear)

Giant taro care: bright filtered light, steady moisture in warm months and yellowing leaf causes. Identification and botanical sources.

Editorial revision:

Care at a glance

Light

Bright indirect light or gentle morning sun. Needs generous filtered light indoors to maintain upright posture.

Watering

Water thoroughly when top 2 inches dry out; maintain consistently moist but well-draining soil in warm months.

Conditions vary with pot, season and location. Always check the mix and your plant's response.

How to identify it

Dramatic architectural aroid producing massive, erect glossy green paddle leaves with prominent sculpted veins.

Environment and placement

Warm and humid (18-28 °C / 65-82 °F). Requires plenty of floor space and shelter from chilly drafts below 15 °C.

✨ Tap the plant and watch it respond
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Potting mix and feeding

Use an airy, draining mix and a pot with drainage holes. Match pot size to the root ball so excess mix does not remain wet.

Feed only during active growth and follow the product label. Correct damaged roots or poor light before fertilising.

Problems to check

Yellowing lower leaves from erratic watering; spider mites when relative humidity drops below 40%.

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Specialized diagnostic guide

How to assess yellow leaves

Read full guide →

Cats and dogs

ASPCA lists this species as toxic to cats and dogs. Keep pets from chewing it; contact a veterinarian if ingestion is suspected.

ASPCA

Common question

How large does it grow indoors?

In indoor planters it typically reaches 5 to 7 feet tall when given bright filtered light and steady moisture.

Botanical source

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