Updated: January 22, 2023

Donkey ear plants, also known as elephant ear or Alocasia plants, are a popular choice among indoor gardeners. Their large, arrow-shaped leaves add a tropical touch to any space. However, one issue that can arise with these plants is their leaves curling. This can be frustrating for plant owners who want their donkey ear plants to thrive. In this article, we will explore some of the common reasons why donkey ear plant leaves may curl and how to remedy the problem.

Overwatering

Overwatering is a common cause of leaf curling in donkey ear plants. When the soil is consistently wet, the roots may become waterlogged and unable to absorb nutrients properly. This can lead to the plant’s leaves curling as they attempt to conserve moisture. If left untreated, overwatering can cause root rot and eventually kill the plant.

To prevent overwatering, it is important to ensure that the soil has adequate drainage. Choose a pot with drainage holes and use a well-draining soil mix. Allow the soil to dry out slightly between watering and be sure not to water too frequently.

Underwatering

Underwatering can also cause donkey ear plant leaves to curl. When the soil becomes too dry, the leaves may wilt and curl in an attempt to conserve moisture. If left untreated, underwatering can cause the plant’s leaves to turn brown and fall off.

To remedy underwatering, give your plant a thorough watering and ensure that the soil is moist throughout. Be sure not to let the soil become too dry again and consider using a humidity tray or misting the leaves to help increase moisture levels.

Temperature

Donkey ear plants prefer warm temperatures between 60-75°F (15-24°C). If exposed to temperatures below 50°F (10°C), their leaves may begin to curl as a response to the cold.

To remedy this, move your plant to a warmer location and ensure that it is not exposed to cold drafts or air conditioning.

Pests

Pests such as spider mites and mealybugs can also cause donkey ear plant leaves to curl. These pests feed on the plant’s sap, causing damage to the leaves and stems.

To treat pest infestations, isolate the affected plant and use an insecticidal soap or neem oil spray to control the pests. Be sure to follow the instructions carefully and apply as directed.

Nutrient Deficiencies

Donkey ear plants require regular fertilization to thrive. A lack of essential nutrients such as nitrogen or potassium can cause the plant’s leaves to curl and discolor.

To remedy nutrient deficiencies, use a balanced fertilizer according to the manufacturer’s instructions. Be sure not to over-fertilize, as this can also cause leaf curling.

Disease

Diseases such as bacterial leaf spot or fungal infections can also cause donkey ear plant leaves to curl. These diseases can be spread through contaminated soil or water and can cause significant damage if left untreated.

To treat diseases, remove any affected leaves or stems and dispose of them properly. Treat the remaining plant with a fungicide or bactericide according to the manufacturer’s instructions.

In conclusion, donkey ear plants are a beautiful addition to any indoor garden, but their leaves may curl for a variety of reasons. By understanding the common causes of leaf curling and how to remedy them, you can help your plant thrive and grow healthy leaves.

FAQ

Is it normal for donkey ear plant leaves to curl?

No, curled leaves are typically a sign of an underlying issue such as overwatering, underwatering, pests, temperature stress, nutrient deficiencies, or disease.

Can over-fertilization cause donkey ear plant leaves to curl?

Yes, over-fertilization can cause leaf curling, as well as other issues such as burned or damaged leaves.

How often should I water my donkey ear plant?

Donkey ear plants prefer slightly moist soil and should be watered when the top inch of soil feels dry. Be sure not to overwater, as this can lead to root rot and other issues.

Can I use natural remedies to treat pest infestations on my donkey ear plant?

Yes, natural remedies such as neem oil or insecticidal soap can be effective in treating pest infestations. Be sure to follow the instructions carefully and apply as directed.