Updated: July 24, 2023

Introduction

Lehman plants, also known as Monstera deliciosa, are popular houseplants known for their large, glossy leaves and unique fenestrated patterns. However, they are not immune to fungal infections. Fungus on Lehman plants can cause discoloration, wilting, and even death if left untreated. In this article, we will explore the causes of fungal infections on Lehman plants and provide effective methods to get rid of them.

Causes of Fungal Infections on Lehman Plant

Fungal infections on Lehman plants can occur due to various factors. Here are some common causes:

1. Overwatering

Overwatering is one of the leading causes of fungal infections in Lehman plants. When the soil is consistently wet, it creates a damp environment that promotes fungal growth. Fungi thrive in moist conditions, and excessive watering can lead to root rot and other fungal diseases.

2. Poor Drainage

Poor drainage is closely related to overwatering. When the potting soil does not have adequate drainage holes or if the plant is sitting in a saucer filled with water, excess moisture will accumulate around the roots. This stagnant water provides an ideal breeding ground for fungi.

3. Humidity

Lehman plants prefer high humidity levels, but excessive humidity can also encourage fungal growth. If the air circulation around the plant is poor or if it is placed in a room with high humidity levels, it becomes more susceptible to fungal infections.

4. Crowded Growing Conditions

When Lehman plants are grown in crowded conditions or placed too close to other plants, it restricts air circulation. Lack of airflow increases humidity levels around the plant and promotes the spread of fungal spores.

5. Infected Soil or Contaminated Tools

Using infected soil or contaminated gardening tools while repotting or pruning can introduce fungal spores to the Lehman plant. It is crucial to ensure that the soil and tools used are clean and free from any fungal contamination.

Getting Rid of Fungus on Lehman Plant

Now that we understand the causes of fungal infections, let’s explore some effective methods to get rid of fungus on Lehman plants:

1. Adjust Watering Habits

To prevent and treat fungal infections, it is important to adjust your watering habits. Allow the top inch of soil to dry out before watering again. Avoid overwatering and ensure proper drainage by using a well-draining potting mix and pots with drainage holes. Additionally, empty any excess water from saucers after watering.

2. Improve Air Circulation

Enhancing air circulation around the Lehman plant can help reduce humidity levels and prevent the spread of fungal spores. Place the plant in a well-ventilated area or use a fan to improve airflow. Avoid crowding the plant with other plants, as this can restrict air movement.

3. Increase Humidity Moderately

While excessive humidity can encourage fungal growth, Lehman plants still require a moderate level of humidity to thrive. Maintain a humidity level between 50-60% by placing a tray filled with water near the plant or using a humidifier. Avoid misting the leaves directly, as this can create a damp environment that promotes fungal infections.

4. Remove Infected Leaves or Parts

If you notice any signs of fungal infection on your Lehman plant, it is important to act promptly. Remove any infected leaves or parts using sterilized pruning shears or scissors. Be sure to disinfect the tools after each cut to prevent the spread of fungal spores.

5. Apply Fungicides

In severe cases, where the fungal infection persists despite preventive measures, applying fungicides can be an effective solution. Look for fungicides specifically formulated for houseplants and follow the instructions carefully. Apply the fungicide as directed, ensuring full coverage of the plant’s leaves and stems.

6. Quarantine Infected Plants

If you have multiple Lehman plants and one of them is infected with fungus, it is crucial to quarantine the affected plant. This prevents the spread of fungal spores to other healthy plants. Keep the infected plant away from other plants until the infection is completely eradicated.

7. Maintain Proper Plant Hygiene

To prevent future fungal infections, maintain proper plant hygiene. Regularly clean the leaves using a damp cloth to remove dust and debris, which can harbor fungal spores. Avoid misting the leaves, as mentioned earlier, as it can create a moist environment that promotes fungal growth.

Conclusion

Fungal infections on Lehman plants can be detrimental to their health and appearance. By understanding the causes and implementing preventive measures, you can effectively get rid of fungus on Lehman plants. Adjusting watering habits, improving air circulation, and maintaining proper plant hygiene are key factors in preventing fungal infections. In severe cases, fungicides can be used as a last resort. With these methods in place, you can enjoy healthy and thriving Lehman plants in your home.