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How to Get Rid of Mold on French Lavender Plant

Updated: September 20, 2022

French lavender plants are beautiful and fragrant, but they can be susceptible to mold growth. Mold can damage the leaves and flowers of your lavender plant, and if left untreated, it can kill the plant. Fortunately, there are several ways to get rid of mold on your French lavender plant.

Identify the Type of Mold

Before you can begin treating your moldy lavender plant, you need to identify the type of mold you are dealing with. There are several types of mold that can grow on plants, including powdery mildew, downy mildew, and botrytis. Each type of mold requires a different treatment, so it’s important to know what you’re dealing with.

  • Powdery Mildew: Powdery mildew appears as a white or gray powder on the leaves and stems of your lavender plant. It thrives in humid conditions and is often seen in late summer or early fall.
  • Downy Mildew: Downy mildew appears as yellow or brown spots on the leaves and stems of your lavender plant. It thrives in moist conditions and is often seen in spring or early summer.
  • Botrytis: Botrytis appears as gray or brownish spots on the leaves and flowers of your lavender plant. It thrives in humid conditions and is often seen in late spring or early fall.

Remove Affected Leaves and Flowers

Once you have identified the type of mold you are dealing with, you can begin treating your lavender plant. The first step is to remove any affected leaves and flowers from the plant. This will help prevent the spread of mold to other parts of the plant.

Use sharp scissors or pruning shears to carefully cut away any leaves or flowers that show signs of mold growth. Be sure to dispose of these clippings in a sealed plastic bag so that the mold cannot spread to other plants.

Increase Air Circulation

Mold thrives in humid, stagnant conditions. To prevent mold from growing on your lavender plant, you need to increase air circulation around the plant. This can be done by pruning the plant to remove any overcrowded or overgrown branches.

You can also place a small fan near the plant to help circulate air around it. Be sure not to blow the fan directly at the plant, as this can damage the leaves and flowers.

Use a Fungicide

If your lavender plant is still showing signs of mold growth after removing affected leaves and increasing air circulation, you may need to use a fungicide. There are many fungicides available that are safe to use on plants, but be sure to read the label carefully before applying.

Follow the instructions on the label carefully, as overuse of fungicides can damage your lavender plant. Apply the fungicide evenly to all parts of the plant, including the undersides of leaves and stems.

FAQ

Can I prevent mold from growing on my French lavender plant?

Yes. One of the best ways to prevent mold from growing on your lavender plant is to ensure that it is planted in well-draining soil. Lavender plants thrive in dry soil, so be sure not to overwater your plant. You can also prune your lavender plant regularly to increase air circulation around it.

Can mold on my lavender plant harm me?

In most cases, mold on plants is not harmful to humans. However, if you are allergic to mold or have respiratory issues, you should wear gloves and a mask when handling moldy plants.

Can I use household bleach to kill mold on my lavender plant?

No. Household bleach can be very damaging to plants and should not be used as a fungicide. Instead, use a fungicide that is specifically formulated for use on plants.

In conclusion, mold growth on your French lavender plant can be frustrating, but with the right treatment, you can get rid of it and keep your plant healthy and beautiful. Remember to identify the type of mold you are dealing with, remove affected leaves and flowers, increase air circulation, and use a fungicide if necessary. With these steps, your lavender plant will be back to its fragrant and healthy self in no time.

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