Skip to content

Orchid soil molds: What are the causes and what to do about it with natural means?

A mold or fungus infestation on your orchid roots can be difficult to diagnose. Is it a fungus or is it mold? Even if you know for sure, it can be difficult to completely remove the fungus and prevent it from coming back. However, if you’re looking for ways to combat a mold or fungal infestation on your orchid roots, you’ve come to the right place. If your orchid soil is moldy, there are a few solutions and we hope this article answers your questions about how to treat your orchid.

Table of Contents

Causes of mold on orchid potting substrates.

What are the causes of mold on orchid potting substrates.

In most cases, these infections are caused by overwatering. Both root rot and overly wet foliage can lead to mold . If you notice a white substance on the potting soil, there is a good chance that the roots are not yet infected. Often this is not mold, but just residue from the growing medium. It can also be residue from the tap water you use to water your plants.

Again, it is important to look for other symptoms besides mold to find out if it is really a fungal infection. Occasionally, white growths form on orchids that are not mold but smear lice. These can be treated with isopropyl alcohol, but generally these pests do not attack the roots of a plant.

Orchid soil mold - What are the causes and what to do about it with natural remedies.

Molds and fungi can often be confused. Although they are related, there are some important differences between these common orchid problems. A fungus is a tiny, microscopic organism that is an essential part of our natural world. Although it is neither a plant nor an animal, it is a living species with a unique classification.

Mold is a type of fungus that is different from other types of fungi. It is also microscopic and invisible to the human eye. However, when enough mold spores grow together , they can spread quickly and are visible without a microscope.

Mildew in orchid soil: Treatment options

Orchid soil molds - In most cases, these infections are caused by overwatering

If overwatering is the cause of mold growth, the best treatment is to reduce watering. Review your watering frequency and technique. Water early in the day and avoid using moss as a growing medium, as it can hold excess water.

If mold has formed on the roots and they begin to rot, you can cut them off and repot the plant in a new growing medium. Orchids do not tolerate severe pruning, so remove only the completely destroyed parts. By removing the diseased tissue, you can help your plant save energy and save its life.

In most cases, mold on orchid roots is harmless, but if you limit watering until the roots are white or gray, you can ensure that your plant is not overwatered and unhealthy mold forms. In the summer, you can open windows to improve air circulation to reduce the likelihood of mold.

The best way to treat white mold on orchids is to use tea tree oil

There are natural treatments for mold on orchids: Ingredients from other plants are good sources with anti-fungal properties. These include mint, ground cinnamon, onions and garlic, to name a few.

The best way to treat various orchid fungal infections or white mold on orchids is to use tea tree oil. Tea tree oil is all natural and has certain antibacterial properties that can cure many types of infections, including fungal infections.

In the case of mold, you can cut off the diseased parts and repot the plant in a new growing medium

Another way to treat mold on orchids or fungal infections is to use cinnamon. After pruning the leaves, stem or roots of your orchid, sprinkle a little cinnamon over the affected areas. You can sprinkle the spice over the area to be treated or dip the area directly in cinnamon. Just make sure that the areas to be sprinkled have been moistened so that the powder adheres better.

Garlic not only promotes human health, but also the health of plants. Garlic water for orchids disinfects the soil, if the orchid soil moldy, and is a reliable means of disease prevention. Watering orchids with garlic water can be done at any time of the year, and the optimal number of repetitions is 1-2 times a month for preventive purposes.

Orchids can be watered with garlic water both on the roots and rootless

Garlic infusion for orchids is prepared according to the following recipe:

Crush 1 clove of garlic, squeeze the juice.
Add 1 glass of boiling water.
The mixture is insisted for 20 minutes.
The cooled solution is filtered through cheesecloth, and the correct proportions for dilution are 3 tablespoons per 1 liter of water.

Orchids can be watered with garlic water both on the roots and rootless. You should use only fresh diluted solution: The use of the concentrate will lead to the spoilage of the roots.

What not to use

It is best not to use fungicides containing harmful chemicals

It is best not to use fungicides with harmful chemicals, because there are not enough studies that prove that they do not harm the environment in the long term. Such products are dangerous if inhaled, so children and pets should stay away if you spray the plants with them.