Updated: March 31, 2022

Fittonias, also known as nerve plants, are popular houseplants because of their striking foliage. With their vibrant green leaves and intricate network of veins, they add a pop of color and texture to any indoor space. However, brown spots on fittonia leaves can be a sign of trouble. In this article, we’ll explore the possible causes of brown spots on fittonia plants and how to fix them.

Possible Causes of Brown Spots on Fittonia Plants

1. Overwatering

One of the most common causes of brown spots on fittonia leaves is overwatering. Fittonias prefer moist soil, but if the soil is constantly waterlogged, it can lead to root rot and other fungal diseases that cause brown spots on the leaves.

2. Underwatering

On the other hand, underwatering can also cause brown spots on fittonia leaves. When the soil is too dry, the plant will start to wilt and develop brown spots on the leaves.

3. Low Humidity

Fittonias are native to tropical rainforests, which means they thrive in high humidity environments. If your indoor space is too dry, the fittonia plant may develop brown spots on the leaves as a result of low humidity.

4. Pest Infestation

Pests such as spider mites and mealybugs can also cause brown spots on fittonia leaves. These pests feed on the plant’s sap and cause damage to the leaves, resulting in brown spots.

5. Fungal Diseases

Fungal diseases such as leaf spot and anthracnose can also cause brown spots on fittonia leaves. These diseases are typically caused by overwatering or poor air circulation.

How to Fix Brown Spots on Fittonia Plants

1. Adjust Watering

The first step in fixing brown spots on fittonia plants is to adjust your watering routine. If you suspect that you’re overwatering the plant, allow the soil to dry out between waterings. On the other hand, if you’re underwatering the plant, increase the frequency of watering.

2. Increase Humidity

Since fittonias thrive in high humidity environments, increasing the humidity levels in your indoor space can help prevent brown spots on the leaves. You can do this by placing a humidifier near the plant or by misting the leaves with water.

3. Control Pests

If you suspect that pests are causing brown spots on your fittonia plant, you’ll need to take steps to control the infestation. This may involve using insecticidal soap or neem oil, or physically removing the pests from the plant.

4. Treat Fungal Diseases

If fungal diseases are causing brown spots on your fittonia plant, you’ll need to treat the issue promptly. This may involve removing affected leaves and applying antifungal treatments such as copper fungicides.

Frequently Asked Questions

Can I save a fittonia plant with brown spots?

Yes, it’s possible to save a fittonia plant with brown spots. The key is to identify the underlying cause of the problem and take steps to fix it.

How often should I water my fittonia plant?

Fittonias prefer moist soil, but they don’t like to be waterlogged. Water your fittonia plant when the top inch of soil feels dry to the touch.

How do I increase humidity for my fittonia plant?

You can increase humidity for your fittonia plant by placing a humidifier near the plant, misting the leaves with water, or placing a tray of water near the plant.

How do I control pests on my fittonia plant?

You can control pests on your fittonia plant by using insecticidal soap, neem oil, or physically removing the pests from the plant.

How do I treat fungal diseases on my fittonia plant?

You can treat fungal diseases on your fittonia plant by removing affected leaves and applying antifungal treatments such as copper fungicides.

In conclusion, brown spots on fittonia plants can be a sign of trouble, but they’re not necessarily a death sentence for your plant. By identifying the underlying cause of the problem and taking steps to fix it, you can save your fittonia plant and enjoy its vibrant foliage for years to come.