Updated: July 28, 2023

Mum plants, also known as chrysanthemums, are beautiful flowering plants that can add a vibrant touch to any garden or indoor space. However, like many other plants, mums are susceptible to mold growth, which can be detrimental to their health and appearance. If you’ve noticed mold on your mum plant, don’t worry – there are several effective ways to get rid of it and restore your plant’s beauty. In this article, we will discuss the causes of mold growth on mum plants and provide you with step-by-step instructions on how to eliminate it.

Causes of Mold Growth on Mum Plants

Before diving into the solutions, it’s crucial to understand the reasons behind mold growth on mum plants. Mold thrives in damp and humid environments, so excess moisture is often the primary cause of mold infestation. Here are some common factors that contribute to mold growth on mum plants:

  1. Overwatering: Mums prefer moist soil but are sensitive to overwatering. Excessive watering leads to waterlogged soil, creating a breeding ground for mold spores.

  2. Poor Drainage: Insufficient drainage in pots or planting beds can lead to water accumulation around the roots of mum plants. This excess moisture promotes mold growth.

  3. Lack of Air Circulation: Proper airflow is essential for preventing mold growth. If your mum plant is crowded among other plants or placed in a poorly ventilated area, it may be more susceptible to mold infestation.

  4. High Humidity: Mums thrive in moderate humidity levels, but excessive humidity can encourage mold growth. This is especially common in indoor settings with poor ventilation.

Now that we’ve identified the causes of mold growth, let’s move on to the steps you can take to combat it effectively.

Step 1: Identify and Isolate Affected Areas

The first step in getting rid of mold on your mum plant is to identify the extent of the infestation. Inspect the leaves, stems, and flowers for any signs of mold growth. Mold typically appears as fuzzy, discolored patches. Once you’ve identified the affected areas, carefully remove any infected leaves or flowers to prevent further spread.

Next, isolate the infected mum plant from other healthy plants. This will prevent the mold from spreading and give you better control over treating the mold-infested plant.

Step 2: Adjust Watering Practices

To eliminate mold growth on your mum plant, it’s vital to address any underlying moisture issues. Adjusting your watering practices is an effective way to control excess moisture. Follow these guidelines:

  1. Check soil moisture: Before watering, check the moisture level of the soil by inserting your finger about an inch deep. If it feels dry, it’s time to water. If it’s still moist, wait a few more days.

  2. Water in moderation: Avoid overwatering by providing enough water to moisten the soil without saturating it. Allow the top inch of soil to dry out between waterings.

  3. Improve drainage: Ensure that your mum plant’s pot or planting bed has adequate drainage holes. If necessary, consider adding a layer of gravel at the bottom of the pot to facilitate better drainage.

Step 3: Enhance Air Circulation

Improving air circulation around your mum plant helps reduce excess humidity and discourages mold growth. Here are some tips to enhance air circulation:

  1. Prune regularly: Trim any overcrowded or damaged branches to allow more airflow within the plant.

  2. Space out plants: If your mum is planted in a garden bed, make sure there is enough distance between each plant to prevent overcrowding.

  3. Relocate indoor plants: If your mum plant is indoors, consider moving it to a well-ventilated area or near an open window to allow fresh airflow.

Step 4: Reduce Humidity

Reducing humidity levels around your mum plant can significantly reduce mold growth. Follow these steps to lower humidity:

  1. Use a dehumidifier: If you’re growing mums indoors, especially in a humid environment, a dehumidifier can help regulate moisture levels.

  2. Increase ventilation: Open windows or use fans to improve air circulation and decrease humidity levels around your mum plant.

  3. Avoid misting: While misting may be beneficial for some plants, it can increase humidity levels and promote mold growth on mums. Avoid misting the leaves or flowers of your mum plant.

Step 5: Apply Natural Remedies

If the mold infestation persists despite adjusting watering practices and improving air circulation, you can turn to natural remedies to combat the problem. Here are a few options:

  1. Neem oil spray: Neem oil is an effective natural fungicide that can help control mold growth. Mix neem oil with water according to the instructions on the product label and spray it on the affected areas of your mum plant.

  2. Baking soda solution: Create a solution by mixing one tablespoon of baking soda with one quart of water. Spray this solution onto the mold-infested areas of your mum plant. Baking soda helps neutralize the pH level on the plant’s surface, making it less favorable for mold growth.

Step 6: Monitor and Prevent Future Mold Growth

After implementing the above steps to eliminate mold, it’s important to monitor your mum plant regularly to ensure it remains healthy and mold-free. Additionally, taking preventive measures can help minimize the chances of future mold growth:

  1. Maintain proper watering habits: Continuously monitor soil moisture levels and avoid overwatering.

  2. Clean up fallen leaves: Remove any fallen leaves or flowers promptly, as they can create a damp environment conducive to mold growth.

  3. Regularly inspect your mum plant: Conduct routine inspections to spot any signs of mold growth early on and take immediate action.

By following these steps and implementing preventive measures, you can successfully get rid of mold on your mum plant and restore its health and beauty. Remember, maintaining a suitable environment with proper moisture levels and good airflow is key to preventing mold growth on mums.