Elephant Ear
Alocasia Amazonica
Alocasia Amazonica, commonly known as Elephant Ear or African Mask Plant, is a striking tropical plant known for its unique arrow-shaped leaves. Native to Southeast Asia, it adds a dramatic touch to indoor spaces and thrives in high humidity and bright, indirect light.
Everything it needs
9 essentials at a glance
Watering
Alocasia Amazonica prefers to be kept consistently moist but not soggy.
Water when the top inch of soil feels dry, typically every 1-2 weeks, adjusting frequency based on humidity and temperature. In winter, reduce watering to once every 2-3 weeks. Signs of over-watering include yellowing leaves and root rot, while under-watering can cause leaf droop and browning edges.
Light
This plant thrives in bright, indirect light but can tolerate partial shade.
Ideal placement is near a window with filtered sunlight for 6-8 hours a day. Avoid direct sunlight as it can scorch the leaves, and ensure it receives at least 4 hours of light even in lower light conditions.
Soil
Alocasia Amazonica prefers a well-draining potting mix that retains some moisture.
A mix of peat, perlite, and orchid bark works well, with a pH range of 5.5 to 7.0. Ensure the pot has drainage holes to prevent waterlogging, which can lead to root rot.
Humidity
This plant thrives in high humidity levels of 60% or higher.
To increase humidity, consider using a humidifier, placing a pebble tray with water beneath the pot, or grouping it with other plants. Signs of humidity stress include browning leaf tips and edges.
Temperature
The ideal temperature range for Alocasia Amazonica is 65-80°F (18-27°C).
It is sensitive to cold and should be kept above 50°F (10°C) to avoid damage. This plant is best suited for USDA hardiness zones 10-12.
Fertilizing
Use a balanced liquid fertilizer with an NPK ratio of 20-20-20 every 4-6 weeks during the growing season (spring and summer).
Reduce feeding in fall and winter. Signs of nutrient deficiency include yellowing leaves and stunted growth, indicating a need for fertilizer.
Pruning
Prune Alocasia Amazonica as needed to remove dead or yellowing leaves, which helps to maintain its appearance and health.
Use clean, sharp scissors or pruning shears. Deadheading is not necessary, but regular cleaning of dust from leaves will promote better photosynthesis.
Repotting
Repot every 1-2 years or when the plant becomes root-bound, indicated by roots growing out of the drainage holes.
Choose a pot that is 1-2 inches larger in diameter. Carefully remove the plant, refresh the soil, and place it in the new pot, ensuring proper drainage.
Propagation
Propagation can be done through division or offsets.
The best time to propagate is during the growing season in spring or early summer. Carefully remove the plant from its pot, separate the offsets with roots intact, and replant them in their own pots with suitable soil. Ensure they are kept warm and moist until established.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or poor drainage.
How to fix it
Ensure the pot has drainage holes and reduce watering frequency.
Browning leaf tips
Why it happens
Low humidity or underwatering.
How to fix it
Increase humidity levels and adjust watering schedule.
Leggy growth
Why it happens
Insufficient light.
How to fix it
Move the plant to a brighter location with indirect light.
Root rot
Why it happens
Excessive moisture and poor drainage.
How to fix it
Remove the plant from its pot, trim away affected roots, and repot in fresh, well-draining soil.
Pests (e.g., spider mites, aphids)
Why it happens
Dry conditions or stress.
How to fix it
Regularly inspect the plant, and treat infestations with insecticidal soap or neem oil.
Care through the year
Spring
In spring, increase watering frequency as the plant begins to actively grow. Fertilize every 4-6 weeks with a balanced fertilizer to promote healthy growth.
Summer
During summer, maintain consistent moisture and humidity levels. Ensure the plant receives bright, indirect light and monitor for pests.
Fall
In fall, gradually reduce watering as growth slows down. Continue to fertilize until late fall, then stop for winter dormancy.
Winter
In winter, reduce watering to every 2-3 weeks and keep the plant in a warm location away from drafts. Avoid fertilizing during this dormant period.
Toxicity & Safety
Alocasia Amazonica is toxic to pets and humans if ingested, particularly the leaves and stems. Symptoms of ingestion may include irritation of the mouth and throat, difficulty swallowing, and gastrointestinal distress.
Good to know
Why are my Alocasia Amazonica leaves turning yellow?
Yellow leaves on your Alocasia Amazonica may indicate over-watering or poor drainage. Ensure the pot has drainage holes and adjust your watering schedule accordingly.
How often should I water my Alocasia Amazonica?
Water your Alocasia Amazonica when the top inch of soil feels dry, typically every 1-2 weeks. Adjust the frequency based on humidity and temperature.
What light conditions are best for Alocasia Amazonica?
Alocasia Amazonica thrives in bright, indirect light but can tolerate partial shade. Aim for 6-8 hours of filtered sunlight daily.
How can I increase humidity for my Alocasia Amazonica?
To increase humidity, use a humidifier, place a pebble tray with water beneath the pot, or group it with other plants to create a microclimate.
When is the best time to repot Alocasia Amazonica?
The best time to repot Alocasia Amazonica is every 1-2 years or when it becomes root-bound, ideally in spring or early summer.
Is Alocasia Amazonica toxic to pets?
Yes, Alocasia Amazonica is toxic to pets and humans if ingested, particularly the leaves and stems. Symptoms may include mouth irritation and gastrointestinal distress.
What should I do if my Alocasia Amazonica has root rot?
If your Alocasia Amazonica has root rot, remove it from the pot, trim away affected roots, and repot it in fresh, well-draining soil to prevent further damage.
Grows well with
Track this plant in your garden.
Set care reminders, log growth, and join a community of plant lovers.