Brown Mushroom Growing in a Potted Plant (2024)

If you’ve ever found a brown mushroom growing in your potted plant, you may be wondering what it is and if it’s harmful. In this article, we’ll take a closer look at mushrooms growing in potted plants and answer some of the most common questions about them.

Table of Contents show

What type of mushroom is it likely to be?

Brown Mushroom Growing in a Potted Plant (1)

There are lots of different types of mushrooms that would grow in a potted plant, and each type may need different handling.

For this reason, you should try to identify the type of mushroom growing in your plant’s pot. This will help you determine whether or not it’s harmful and what, if any, steps you need to take to get rid of it.

Whenever you spot small, brown mushrooms that have long, conical caps, they most likely belong to the Coprinus genus. These are the most commonly spotted in potting soil.

It’s, however, not off the wall to come across mushrooms from the Conocybe genus. These have caps that are darker and slightly flatter. There are cases where you may also come across other species of brown mushrooms in an indoor setting.

In the majority of situations, brown mushrooms growing in a potted plant are not toxic. You will, all the same, still want to get rid of them for aesthetic reasons.

Why mushrooms grow in potting soil

Brown Mushroom Growing in a Potted Plant (2)

Mushrooms often grow in potting soil because it contains the right combination of ingredients that they need to thrive. Some of these include:

-Organic matter:

This could be in the form of dead leaves, compost, mulch, or wood chips. There are some fertilizers that can also provide the nutrients that mushrooms need to grow.

-Moisture:

Mushrooms need moisture in order to grow. This is why they’re often found in damp, dark areas like forests or basem*nts. If the potting soil in your plant’s pot is too dry, the mushrooms will not be able to grow.

-Temperature:

Mushrooms need a warm temperature in order to grow. This is why you’re more likely to find them growing in the spring and summer months.

How mushrooms spread

Mushrooms can spread in a few different ways.

The most common way is through spores, mainly in an outdoor environment. These are tiny, dust-like particles that are released by the mushroom. They can travel through the air and land in other areas, where they will start to grow.

In an indoor setting, in contrast, it’s almost impossible for spores to spread through the air. In rare cases, lawn mushrooms might be able to find their way into your house through ventilation systems or open windows. Besides, houses are often too warm for spores to survive.

Having considered that, indoor mushrooms will more than often come from the potting soil itself. You could have inadvertently brought them in on new plants or potting soil that you’ve bought. That’s possible especially due to the reason that there are fungal spores that can lie dormant for years, only to start growing when the conditions are right.

Another way that mushrooms can spread is by animals and humans tracking them in from the outdoors. This is more common in areas where there are already a lot of mushrooms growing.

Are houseplant mushrooms harmful?

In general, mushrooms that grow in potting soil are not harmful to humans or animals. This is because they don’t produce toxins that can harm us.

There are even circ*mstances where mushrooms can enhance the health of potted plants. “How?” you may ask. Well, the process of breaking down the organic matter that they feed on can help improve the quality of potting soil since they will reintroduce nutrients back into it.

The only time that you need to be concerned about the mushrooms growing in your plant’s pot is if you have small children or pets. This is because they might be tempted to eat the mushrooms, which could make them sick.

How to get rid of brown mushrooms in a potted plant

Brown Mushroom Growing in a Potted Plant (3)

If you want to get rid of the brown mushrooms in your potted plant, there are a few steps that you can take.

1. Physically remove them

The first step is to remove the mushrooms that are already growing. This can be done by simply picking them off or using a small shovel to dig them out. Be sure to dispose of them in a plastic bag so that they don’t spread to other areas.

2. Apply a fungicide

Once you’ve removed the mushrooms, you can apply a fungicide to the potting soil. This will help to kill any spores that are in the soil and prevent new mushrooms from growing. It’s highly recommended that you go for an organic option.

3. Move your plant

If the mushrooms keep coming back, despite your best efforts, it might be time to move your plant. This is because the spores could be finding their way to your plant from an outside source. Such cases are, all in all, very rare.

4. Change the soil

As your last resort, you can always change the potting soil. This will eliminate any spores that might be in the soil and make it less likely for new mushrooms to grow. Take this action only when the mushrooms keep coming back and you can’t figure out where they’re coming from.

In closing

It’s quite normal to see brown mushrooms growing in potted plants. In most cases, they’re harmless and can even be beneficial to the plant. However, you can always remove them if you don’t like the way they look or if you’re worried about your children or pets eating them.

Just be sure to take precautions so that you don’t spread the spores to other areas.

Related Article: Do Mushrooms Grow in Swamps?

Brown Mushroom Growing in a Potted Plant (2024)

FAQs

Why is fungus brown mushroom growing in my houseplant? ›

Mushrooms can grow in your plant when the potting mix has spores or when they are introduced through the air. The main reason for mushrooms is overwatering your plant and lack of airflow in your space.

What is the brown fungus on my houseplants? ›

Brown mold on plant soil

Excess moisture in the soil due to overwatering can provide an ideal condition for the brown-rot fungus to develop if any spores are present. This type of fungus prefers wet and soggy conditions.

What are the brown fungus balls in the soil? ›

Some are smaller and some larger, some pure white and some dirty brown. Puffballs are beneficial because they help to decompose wood, stumps, excess thatch (dead grass), dead tree roots, and other excess organic matter buried underground. They are doing what mushrooms do, decompose organic matter.

Is it normal for a mushroom to grow in a houseplant? ›

In conclusion, fungi, masters of the soil, can benefit your houseplants. When and if you see a mushroom in your plant's soil, consider it a sign of a happy, healthy mini-ecosystem. If you don't love the shrooms, simply pull them out!

How to get rid of brown fungus on soil? ›

Luckily, getting rid of mold on soil is relatively easy. You can scrape mats of fungus off the soil surface and throw it away, or replace the soil entirely with fresh potting mix. Another common way gardeners choose to get rid of mold on houseplant soil is by improving soil drainage.

How to get rid of fungus in potted plants? ›

Spray a fungicide on the plant to remove mold

Mold is normally only found on the soil's surface, so gently scoop the infected dirt out of the pot's top layer. After that, remove the mold from the plant itself. You can wipe the plant down with a moist dish towel or cloth a few times until mold is no longer visible.

What kills brown fungus? ›

Lawn fungicides to treat brown patch include: BioAdvanced Fungus Control (with Propiconazole) Pyraclostrobin with Triticonazole. Fluoxastrobin.

Is soil fungus harmful to plants? ›

Fungus exists naturally in soil, and most of it's beneficial for your plants. But there are 8,000 varieties that have no purpose other than messing up your garden plants. They spread sickness like root rot that infects plant roots and keeps them from drawing water and nutrients into the plant.

Is soil fungus harmful? ›

The systemic fungi are largely acquired via inhalation from contaminated soil and near-soil environments. These fungal infections are particularly life-threatening in those with compromised immune systems.

What does fungus in potting soil look like? ›

In large numbers, the fungi can appear like 'mould' as a white covering over the soil surface. Left to its own devices, they can turn the substrate hydrophobic, where it repels water. Without water, plants can die, however like most plant hobbyists, it's likely you noticed it well before that's happened.

How do you get rid of fungus on houseplants? ›

Make a typical baking soda spray by dissolving one teaspoon of baking soda into one quart of water. You can add a few drops of insecticidal soap or liquid soap to help the solution spread and stick to the leaves. Only use liquid soap, like Ivory, and not laundry detergent.

What kind of mushroom is growing in my houseplant? ›

Leucocoprinus birnbaumii (Flowerpot Parasol): This is a common mushroom found in houseplants. It's bright yellow and looks quite attractive. While it's not harmful to plants, it's toxic to humans and pets if ingested.

How do you get rid of fungus on potted plants? ›

Spray a fungicide on the plant to remove mold

Mold is normally only found on the soil's surface, so gently scoop the infected dirt out of the pot's top layer. After that, remove the mold from the plant itself. You can wipe the plant down with a moist dish towel or cloth a few times until mold is no longer visible.

How do you get rid of mushroom fungus? ›

How To Get Rid of Mushrooms in Your Yard
  1. Start Digging. Use a shovel or spade to dig out the cluster of mushrooms. ...
  2. Mow Your Lawn. You can also simply mow over them and pick up the mushroom pieces.
  3. Clean Up. Toss the mushroom pieces into a trash bag, tie the bag, and throw it in the bin.

Top Articles
Latest Posts
Article information

Author: Wyatt Volkman LLD

Last Updated:

Views: 6123

Rating: 4.6 / 5 (46 voted)

Reviews: 93% of readers found this page helpful

Author information

Name: Wyatt Volkman LLD

Birthday: 1992-02-16

Address: Suite 851 78549 Lubowitz Well, Wardside, TX 98080-8615

Phone: +67618977178100

Job: Manufacturing Director

Hobby: Running, Mountaineering, Inline skating, Writing, Baton twirling, Computer programming, Stone skipping

Introduction: My name is Wyatt Volkman LLD, I am a handsome, rich, comfortable, lively, zealous, graceful, gifted person who loves writing and wants to share my knowledge and understanding with you.