Updated: June 8, 2022

Citronella plants are known for their ability to repel mosquitoes and other insects. They emit a distinct aroma that mosquitoes find unappealing, making them a popular choice for outdoor gardens and patios. However, citronella plants are prone to fungal diseases, which can affect their growth and overall health. In this article, we will discuss how to get rid of fungus on citronella plants.

Symptoms of Fungal Disease on Citronella Plants

Fungal diseases can affect different parts of a citronella plant, including its leaves, stems, and roots. Some common symptoms of fungal diseases on citronella plants include:

  • Yellowing or browning of leaves
  • Wilting or drooping leaves
  • Dark spots or lesions on leaves
  • White or gray powdery coating on leaves
  • Stunted growth
  • Root rot

If you notice any of these symptoms on your citronella plant, it’s important to take action immediately to prevent the spread of the disease.

Causes of Fungal Disease on Citronella Plants

Fungal diseases on citronella plants can be caused by various factors, including:

  • Overwatering: Citronella plants prefer well-drained soil and can suffer from root rot if they are overwatered.
  • Humidity: High humidity levels can create a favorable environment for fungal growth.
  • Poor air circulation: Lack of air circulation can cause moisture to accumulate on the leaves and promote fungal growth.
  • Fungal spores: Fungal spores can be present in the soil or carried by insects and wind.

Treatment for Fungal Disease on Citronella Plants

Here are some ways to get rid of fungus on citronella plants:

1. Remove Affected Leaves and Stems

If you notice any yellowing, browning, or wilting leaves on your citronella plant, remove them immediately. Also, cut off any stems that show signs of fungal infection. Be sure to use clean and sterilized pruning shears to prevent the spread of the disease.

2. Improve Air Circulation

Citronella plants need good air circulation to prevent moisture buildup and fungal growth. You can improve air circulation by trimming nearby plants or bushes that might be obstructing the flow of air around your citronella plant.

3. Water Your Citronella Plant Correctly

Citronella plants prefer well-drained soil and don’t like to be overwatered. Make sure the soil is slightly moist but not waterlogged. Water your citronella plant once a week or when the top inch of soil feels dry.

4. Use Fungicides

If the fungal infection is severe, you may need to use fungicides to get rid of the fungus on your citronella plant. There are various fungicides available in the market that are designed specifically for plants. Be sure to read and follow the instructions carefully before using any fungicide.

Prevention of Fungal Disease on Citronella Plants

Prevention is always better than cure when it comes to fungal diseases on citronella plants. Here are some preventive measures you can take:

  • Plant your citronella plant in well-drained soil.
  • Avoid overwatering your citronella plant.
  • Provide good air circulation around your citronella plant.
  • Use a fungicide spray as a preventive measure every two weeks during humid months.

By following these preventive measures, you can keep your citronella plant healthy and free from fungal diseases.

FAQ

Can I still use my citronella plant if it has a fungal disease?

It’s not recommended to use a citronella plant with a fungal disease as it may affect its ability to repel mosquitoes and other insects. It’s best to take immediate action to get rid of the fungus and prevent it from spreading.

Can I use natural remedies to get rid of fungus on my citronella plant?

Yes, there are various natural remedies that you can use to get rid of fungus on your citronella plant, such as neem oil, baking soda, and vinegar. However, it’s important to do a patch test before applying any natural remedy to your plant to avoid damaging its leaves or roots.

How often should I apply fungicide spray to my citronella plant?

You should apply fungicide spray every two weeks during humid months as a preventive measure. However, if your citronella plant already has a fungal disease, you may need to apply fungicide more frequently as directed by the product label.