Updated: May 8, 2023

Begonia Rex is a popular indoor plant known for its stunning foliage. The plant has large leaves that come in various colors and patterns, making it an attractive addition to any home or office. However, one of the most common issues that begonia rex owners face is curled leaves. In this article, we will explore the reasons why your begonia rex plant leaves may be curling and how to fix them.

Overwatering

One of the most common reasons for curled leaves in begonia rex plants is overwatering. Begonia Rex plants prefer moist soil, but they can quickly develop root rot if they are overwatered. When the roots become waterlogged, they cannot absorb nutrients properly, and the leaves start to curl as a result.

How to Fix

If you suspect that your begonia rex plant is overwatered, stop watering it immediately. Allow the soil to dry out completely before watering it again. You may need to repot the plant into fresh soil to prevent further damage.

Underwatering

On the other hand, underwatering can also cause curled leaves in begonia rex plants. When the soil dries out completely, the leaves may start to curl as a way of conserving moisture.

How to Fix

To fix this issue, water your begonia rex plant thoroughly and consistently. Be sure not to let the soil dry out completely between watering sessions.

Low Humidity

Begonia Rex plants thrive in high humidity environments. If the air around your plant is too dry, the leaves may curl as a way of reducing moisture loss.

How to Fix

To increase humidity levels around your begonia rex plant, you can place a tray of water near it or use a humidifier. You can also mist the leaves with water regularly to keep them moist.

Temperature Stress

Begonia Rex plants are sensitive to temperature changes. If they are exposed to extreme temperatures, their leaves may curl as a way of protecting themselves.

How to Fix

Keep your begonia rex plant away from drafty areas and direct sunlight. Maintain a consistent temperature range between 60-75°F (15-24°C) throughout the day.

Pests

Pests such as spider mites and mealybugs can cause curled leaves in begonia rex plants. These pests feed on the plant’s sap, causing damage to the leaves and stems.

How to Fix

To get rid of pests on your begonia rex plant, you can use insecticidal soap or neem oil. Be sure to follow the instructions carefully when applying these treatments.

Disease

Diseases such as powdery mildew and bacterial leaf spot can also cause curled leaves in begonia rex plants. These diseases typically occur when there is too much moisture on the leaves or when the plant is stressed.

How to Fix

To treat diseases on your begonia rex plant, you may need to use fungicides or antibiotics. It’s important to identify the specific disease affecting your plant before administering any treatment.

FAQ

Q: Can I propagate my begonia rex plant?

A: Yes, you can propagate your begonia rex plant by taking stem cuttings or leaf cuttings. Be sure to use sterile tools when cutting and place the cuttings in moist soil or water until they root.

Q: Can I fertilize my begonia rex plant?

A: Yes, you can fertilize your begonia rex plant using a balanced fertilizer once a month during the growing season. Be sure not to over-fertilize as this can damage the roots.

Q: Should I prune my begonia rex plant?

A: Yes, pruning your begonia rex plant can help promote bushier growth and prevent legginess. You can prune off any yellow or damaged leaves as well as any stems that have grown too long.

In conclusion, curled leaves in begonia rex plants can be caused by various factors such as overwatering, underwatering, low humidity, temperature stress, pests, and diseases. By identifying the specific cause of curling leaves and following our tips on how to fix them, you can help your begonia rex plant thrive and continue to display its beautiful foliage.

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