Simple Steps to Get Rid of Rust Fungus on Your Monstera Plant

Rust fungus, scientifically known as Pucciniales, is a plant disease caused by fungal pathogens. It commonly impacts Monstera plants, causing orange-brown powdery or pustular spots on the leaves, stems, or even fruits. This fungal infection can affect the overall health and appearance of the plant if left untreated.


1. High humidity and moisture: Rust fungus thrives in wet environments, so overwatering or high humidity levels can create favorable conditions for its growth.
2. Poor air circulation: Insufficient airflow around the plant can facilitate the development and spread of rust fungus.
3. Infected plant material: Introducing infected plants or contaminated tools can transfer the fungus to a healthy Monstera.[1]


1. Isolate infected plants: Separate the infected Monstera from healthy ones to prevent the spread of the fungus.
2. Prune affected parts: Cut off and dispose of heavily infected leaves, stems, or fruits to reduce the fungal load.
3. Improve airflow: Ensure proper ventilation and spacing between plants to minimize humidity levels.
4. Adjust watering practices: Avoid overwatering and allow the topsoil to dry slightly between waterings.
5. Fungicides: In severe cases, fungicides specifically formulated for rust fungus can be used. Follow the instructions carefully.
6. Improve overall plant health: Maintain optimal growing conditions, including proper light, temperature, and nutrition, to enhance the plant’s natural defenses against diseases.

questions about rust fungus on Monstera:

1. How can I identify rust fungus on my Monstera?

Rust fungus appears as orange-brown powdery or pustular spots on the leaves, stems, and fruits of Monstera plants.

2. Can rust fungus be lethal for Monstera plants?

If left untreated, severe rust fungus infections can weaken the plant and affect its overall health. In extreme cases, it can lead to the death of the plant.

3. How does rust fungus spread from one Monstera to another?

Rust fungus can spread from one Monstera to another through airborne spores, physical contact of infected plant parts, or by using contaminated tools.

4. Can I prevent rust fungus on my Monstera?

Prevention involves maintaining proper humidity, improving ventilation, avoiding introduction of infected plants, practicing good sanitation, and promoting overall plant health.

5. Does rust fungus affect only the leaves?

Rust fungus can affect various parts of the Monstera plant, including leaves, stems, and even fruits.

6. Can I still consume fruits from a Monstera with rust fungus?

It is generally recommended to avoid consuming fruits from Monstera plants affected by rust fungus, as the fungus may affect their quality and safety.

7. Are there any natural remedies for treating rust fungus on Monstera?

While cultural practices like improving airflow and other preventive measures can help, no known natural remedy guarantees complete eradication of rust fungus. Fungicides formulated for rust fungus may be necessary for effective control.

8. How long does it typically take to treat rust fungus on Monstera?

The time required to treat rust fungus on Monstera can vary depending on the severity of the infection, effectiveness of treatment measures, and plant response. It may take several weeks to notice improvement.

9. Can rust fungus on Monstera spread to other plants in my garden?

Rust fungus spores can potentially spread to other susceptible plants nearby, particularly if growing conditions are favorable.

10. Can I save my heavily infected Monstera from rust fungus?

While severe cases can be challenging to treat, with proper care, including pruning infected parts, improving growing conditions, and applying appropriate fungicides, there is a chance to save heavily infected Monstera plants.