Updated: March 23, 2023

False Aralia, also known as Dizygotheca elegantissima, is a popular houseplant with beautiful leaves that are green and glossy. However, brown spots on the leaves can be alarming and can indicate a problem with the plant’s health. In this article, we will explore the causes of brown spots on False Aralia plants and how to treat them.

Causes of Brown Spots on False Aralia Plants

There are several reasons why your False Aralia plant might be developing brown spots on its leaves. Some of the most common causes are:

1. Overwatering

Overwatering is one of the most common causes of brown spots on False Aralia plants. When the plant is overwatered, its roots become waterlogged, leading to root rot. This can cause brown spots on the leaves, which can spread quickly if left untreated.

2. Underwatering

Underwatering is the opposite of overwatering and can also lead to brown spots on False Aralia plants. When the plant is not watered enough, it becomes dehydrated, and the leaves start to wilt and turn brown.

3. Low Humidity

False Aralia plants are native to humid tropical regions and require high humidity levels to thrive. If the air around the plant is too dry, it can cause brown spots on the leaves.

4. Pest Infestations

Pests like spider mites and mealybugs can infest False Aralia plants and cause brown spots on the leaves. These bugs feed on the plant’s sap, causing damage that appears as brown spots.

5. Fungal Infections

Fungal infections like leaf spot and anthracnose can also cause brown spots on False Aralia plants. These infections are usually caused by overwatering or high humidity levels.

How to Treat Brown Spots on False Aralia Plants

The treatment for brown spots on False Aralia plants depends on the cause of the problem. Here are some tips to help you treat brown spots on your plant:

1. Adjust Watering

If the brown spots on your False Aralia plant are caused by overwatering or underwatering, adjust your watering schedule. Allow the soil to dry out partially before watering again, and make sure not to leave the plant sitting in standing water.

2. Increase Humidity

Increase the humidity around your False Aralia plant by misting it with water regularly, placing it on a pebble tray filled with water, or using a humidifier.

3. Pest Control

If the brown spots on your plant are caused by pest infestations, treat the plant with an insecticidal soap or neem oil spray.

4. Fungal Infection Treatment

If the brown spots on your False Aralia plant are caused by a fungal infection, remove the affected leaves and treat the plant with a fungicide.

FAQ

Can I cut off the brown spots on my False Aralia leaves?

Yes, you can cut off the brown spots on your False Aralia leaves using sharp, clean scissors. This will help prevent the spread of any infections or pests that may be causing the problem.

How often should I water my False Aralia plant?

False Aralia plants prefer to be kept evenly moist, but not wet. Water the plant when the top inch of soil feels dry to the touch.

Can I propagate my False Aralia plant?

Yes, False Aralia plants can be propagated through stem cuttings or by dividing the root ball. Make sure to use a clean, sharp tool to avoid damaging the parent plant or introducing infections.

Can False Aralia plants be grown outdoors?

False Aralia plants are tropical plants and are not frost-resistant. They should be kept indoors or in a warm, humid greenhouse environment.

In conclusion, brown spots on False Aralia plants can indicate a problem with the plant’s health, but they can be treated with the right care and attention. By adjusting watering schedules, increasing humidity, and treating pest infestations and fungal infections promptly, you can keep your False Aralia plant healthy and thriving.