How to Grow Alocasia

Alocasia plants, commonly known as elephant's ears, offer a dramatic touch to any indoor or outdoor setting with their large, lush leaves. As tropical natives, these plants require specific care to thrive and will reward your efforts with stunning foliage.

How to Grow Alocasia
Growing Alocasia

To grow Alocasia, it's essential to provide them with plenty of bright, indirect light, maintain indoor temperatures of 60°F or higher, and keep the humidity level at least 50%.

You can successfully cultivate a spectacular Alocasia plant in your home or garden by meeting these requirements.

About Alocasia Plants

Alocasia, or Elephant's Ear, is a tropical plant native to Southeast Asia, southern China, and eastern Australia.

Belonging to the Araceae family, this genus showcases a variety of species with large, glossy green leaves, often adorned with intricate white veins.

These plants can range in size from compact varieties like the Black Velvet and African Mask (Alocasia Polly) to larger types such as the Giant Taro (Alocasia macrorrhiza), reaching up to 15 feet in height.

Additionally, some varieties exhibit unique features like the variegated leaves of Alocasia zebrina or the metallic bronze-red foliage of Alocasia cuprea 'Red Secret.'

Alocasia plants prefer loose, well-draining soil with a slightly acidic pH and thrive in medium to high-humidity environments while being intolerant of direct sunlight.

Remember to keep the roots healthy and maintain proper care while growing your Alocasia spp., and you'll be rewarded with a stunning addition to your tropical plant collection.

Planting Alocasia

When planting Alocasia, select a well-draining potting mix, preferably an aroid-specific mix that remains slightly moist year-round.

Consider the plants' growth habits; they prefer to be slightly pot-bound, so wait to transplant them until you see roots appear in the drainage hole at the bottom of the pot.

Alocasia thrives in bright, indirect light and humid conditions.

Make sure to place your houseplant where it would receive enough filtered sunlight and maintain temperatures between 65-85°F, as these herbaceous perennials are not frost-tolerant.

Additionally, water your plant regularly, letting the top third of the pot dry out slightly before watering to prevent root rot.

Caring for Alocasia
Caring for Alocasia

Caring for Alocasia

Sun and Temperature

Choose a warm, bright area with indirect light for your Alocasia plant. Protecting it from direct sun exposure is essential to prevent leaf scorching.

Water and Humidity

Water your Alocasia when the top couple of inches of soil feels dry, as consistent moisture is ideal.

Increase humidity by using a humidifier or placing the plant in a naturally humid room like a kitchen or bathroom.

Soil and Fertilizer

Select a well-draining, rich potting mix for Alocasia plants to help maintain proper moisture levels.

Fertilize your Alocasia every few weeks during the growing season with a balanced houseplant fertilizer to promote growth and healthy roots.


When the plant's container becomes root-bound, repot your Alocasia in a slightly larger pot. Ensure the crown is positioned about an inch above the soil surface for proper growth.

Pruning and Propagation

Regularly prune any yellowing or damaged leaves to maintain your Alocasia's health.

Propagate Alocasia plants from dormant rhizomes or root cuttings during the growing season for the best chance of success.

Troubleshooting Plant Problems

Growing Problems

Alocasia can experience several growing problems, including leaf yellowing and drooping.

To maintain healthy growth, ensure your plant receives indirect light, well-draining soil, and consistent watering.

Be cautious about over or under-watering and exposing it to cold drafts, which can cause harm.

During winter, Alocasia may enter a dormant state. This normal behavior should not be mistaken for a problem.

Keep an eye on the temperature and humidity, and adjust your care routine accordingly, providing less water during the dormant period.

Pests and Diseases

Pests like spider mites, mealybugs, and aphids can infest Alocasia plants. To prevent these pests, keep your plant clean and inspect it regularly.

Remove pests with a soft cloth, soapy water, or neem oil if you find them.

Alocasia can also suffer from diseases such as root rot, often caused by over-watering or poorly draining soil.

To prevent root rot, water your plant only when the top few inches of soil feel dry, and ensure its container has drainage holes.

Remove the affected roots if you suspect root rot and repot the plant in a fresh, well-draining potting mix.

Remember, Alocasia plants are toxic to children, cats, and dogs due to the presence of calcium oxalate. Keep them out of reach to ensure the safety of your loved ones and pets.


Caring for your Alocasia requires consistency in providing the right conditions. Ensure the temperature remains between 60 to 85 degrees F, and avoid sudden changes or drafts.

Humidity is crucial to your Alocasia's health, so maintain a high-humidity environment for optimal growth.

With diligence and proper attention, your Alocasia will thrive, adding a tropical flair to your space.

Frequently Asked Questions

What is the proper care for Alocasia plants indoors?

Alocasia plants thrive in a well-draining potting mix and prefer indirect sunlight. Water them when the top few inches of soil are dry, ensuring consistent moisture but avoiding soggy conditions.

Are Alocasia bulbs suitable for outdoor planting?

Yes, Alocasia bulbs can be planted outdoors in warmer months. Choose a location with filtered sunlight and plant the bulbs in nutrient-rich, well-draining soil. Remember to moisten the soil and protect the plant from temperature drops.

How do you propagate Alocasia in water?

To propagate Alocasia in water, carefully remove a healthy root stem from the parent plant, including a few leaves.

Place the cut stem in a container filled with clean water, ensuring the water covers only the roots. Keep the container in a well-lit area, changing the water weekly until roots develop.

How to care for Alocasia Elephant Ear plants?

Caring for Alocasia Elephant Ear plants includes providing them with filtered sunlight and a well-draining potting mix.

Water when the top two inches of soil are dry, maintaining even moisture without over-saturating. Additionally, fertilize regularly during the growing season to promote healthy growth.

What is the expected size of an Alocasia plant?

Alocasia plants can vary in size depending on the species, with some reaching up to 3 feet in height, while others, like the Giant Alocasia, can grow up to 9 feet tall.

Ensure you have enough space to accommodate your Alocasia plant as it grows and expands its distinctive, lush foliage.