
Mushrooms in your lawn are a sign of a healthy soil ecosystem. They are the reproductive part of fungi that live in the soil and help break down organic material. However, some mushrooms can be toxic, and pet owners may want to prevent their growth to avoid any harm to their animals. To prevent mushrooms from growing, you can make the environment less welcoming to fungi by improving drainage, drying out the soil, and keeping your yard clean and free of debris.
| Characteristics | Values |
|---|---|
| Lawn Maintenance | Maintaining a healthy lawn, keeping the lawn short, and removing debris |
| Sunlight and Drainage | Improving drainage, drying out the soil, and increasing sunlight exposure |
| Remove Mushrooms | Picking mushrooms by hand, raking, mowing, and knocking them over |
| Natural Solutions | Using vinegar, dish soap, coffee grounds, or baking soda |
| Fungicides | Using Scotts® DiseaseEx™ Lawn Fungicide, Scotts® Healthy Turf Builder® Fungicide and Lawn Food, or other commercial fungicides |
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What You'll Learn

Keep your lawn clean and dry
Keeping your lawn clean and dry is a great way to prevent mushrooms from growing. Mushrooms are a sign of a healthy soil ecosystem, but they can quickly become a nuisance. They are the reproductive part of fungi that live in the soil and feed on decaying organic matter.
To keep your lawn clean, regularly rake away leaves, grass clippings, and other debris. Raking helps to dry out the soil, making it less favourable for mushrooms to grow. It also removes the organic matter that mushrooms feed on. In addition to raking, you should also clean up after your pets and remove any old tree stumps or roots, as these can encourage mushroom growth.
Another way to keep your lawn clean is to dethatch it. Thatch is a layer of dead grass, moss, and other organic material that can build up on the surface of your lawn. It absorbs moisture and acts as mushroom bait. You can remove thatch by aerating and dethatching your lawn.
Finally, to keep your lawn dry, avoid overwatering and improve drainage. Mushrooms thrive in damp conditions, so by keeping your lawn well-drained and avoiding standing water, you can make it less inviting for mushrooms.
By following these steps to keep your lawn clean and dry, you can effectively prevent mushrooms from taking over your yard.
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Remove debris, animal waste, and old trees
Mushrooms thrive in lawns that have a lot of organic material, moisture, shade, and cloudy weather. To prevent mushrooms from growing in your lawn, it is important to remove debris, animal waste, and old trees, which provide the ideal conditions for mushrooms to flourish.
Removing Debris
Lawn debris, such as rocks, can be removed with rakes. Start with a metal rake to rip out larger debris like rocks from the ground, and then use a plastic rake with thicker tines to pile them up.
Removing Animal Waste
Animal waste, such as dog faeces, should be cleaned up promptly to prevent the spread of bacteria and parasites. Create a regular cleaning schedule, and always clean up during daylight hours to avoid accidentally stepping in it. You can use a plastic bag to pick up the waste, by placing the bag over your hand like a glove and pulling it down over the faeces. Alternatively, use a pooper scooper, which is a shovel-like device that picks up the waste for you. Commercially available pet waste freezing agents can also be used, especially if the waste has become runny or softened due to rain.
Removing Old Trees
Old trees can be removed by chopping them down to the ground, but this may result in regrowth from side shoots. To effectively remove the entire tree, cut off all the branches and root suckers, then cut the trunk down to about one inch above the soil line. Next, create a shallow trench in the soil around the stump, and place a few rocks or pieces of broken pottery in the trench. Place an open-ended coffee can on the rocks, centring the stump in the opening. Finally, burn charcoal in a separate container and transfer the hot coals to the can and stump setup. The charcoal will burn from the bottom up, turning the stump into charcoal. After 24 hours, remove the ash pile and any remaining stump, or simply bury it in place.
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Improve drainage
Mushrooms thrive in conditions of high moisture, poor drainage, and low light. To prevent mushrooms from growing in your lawn, you need to improve the drainage. Here are some ways to do that:
Aerate your lawn
Use a hand aerator to aerate the section of your lawn with mushrooms. Aeration improves drainage and reduces water pooling.
Solve underlying issues with poor drainage
Extend your home's downspout, draw a drainage plan, construct a creek bed or a French drainage system, build a rain garden with plants that thrive in intense moisture, or add an underground drainage pipe.
Reduce overwatering
Reduce the frequency of watering your lawn to once or twice a week, depending on rainfall. Alternatively, use a smart lawn treatment device that automatically adjusts for rain, wind, and other weather conditions to ensure your lawn receives the correct amount of water.
Remove decaying organic matter
Fungi feed on decomposing organic matter, such as dead tree roots, grass clippings, and animal waste. Remove this decaying matter to reduce the food source for fungi.
By improving drainage and addressing other contributing factors, you can effectively prevent and reduce mushroom growth in your lawn.
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Use natural fungicides
While some mushrooms in your lawn can be harmless, they can also be unsightly and even dangerous to pets and children. If you're concerned about lawn mushrooms, it's best to take preventative measures to stop them from growing in the first place. However, if you're dealing with an active mushroom problem, natural fungicides can be a safer alternative to chemical treatments. Here are some natural fungicide options to consider:
Vinegar Solution
Create a solution by mixing vinegar and water in a ratio of 1:4 or 1:5, depending on the severity of the problem. Spray this solution directly onto the mushrooms. The acetic acid in the vinegar will effectively kill the mushrooms. However, be cautious when using this method, as it will also kill anything else it comes into contact with.
Baking Soda Solution
Dissolve two tablespoons of baking soda in a gallon of water. Aerate the soil around the mushrooms and pour the solution over them, allowing it to drain freely into the soil. Baking soda helps raise the pH of the soil, creating an unfavourable environment for mushroom growth.
Neem Oil
Neem oil is another natural fungicide that can be used to combat lawn mushrooms. Neem oil has fungicidal properties and can help prevent the spread of fungal spores. Follow the manufacturer's instructions for proper usage and application rates.
While natural fungicides can be effective, they may not always be sufficient for severe infestations. In such cases, commercial fungicides are available, but they should be used with caution as they can also kill beneficial fungi and disrupt the natural balance of your lawn's ecosystem.
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Pick mushrooms by hand
Picking mushrooms by hand is an effective way to prevent and control their growth in your lawn. It is a simple, eco-friendly method that requires little effort and no chemical solutions.
To start, locate the mushrooms on your lawn and mark them with a small flag or another marker. Wear gloves to protect your hands, as some mushrooms can cause skin irritation, and be sure to dispose of the mushrooms in a plastic bag. You can also use a shovel or trowel to dig up the mushrooms, ensuring you remove the entire fungus.
While picking mushrooms by hand is a straightforward process, it is important to act quickly when you see mushrooms sprout. This will help prevent the release of spores, which can lead to new mushroom growth. Additionally, avoid composting the mushrooms or leaving them on your lawn, as this can also contribute to spore dispersal. Instead, throw them into a plastic bag, tie it tightly, and discard it in the trash.
Although hand-picking mushrooms can be a useful short-term solution, it is important to address the underlying causes of mushroom growth. Mushrooms thrive in damp, dark environments with abundant organic matter. Therefore, improving drainage, sunlight, and airflow in your lawn can help prevent future mushroom infestations. Regular lawn maintenance, such as mowing, dethatching, and removing decaying organic matter, can also help control mushroom growth.
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Frequently asked questions
Mushrooms thrive in damp, dark places, so it's important to make your yard well-lit and free of standing water. You can also improve your lawn's drainage by raking and aerating it.
Mushrooms are the visible manifestation of a long-running underground process. They grow into or around their food source, so removing decaying organic matter from your lawn can help prevent mushrooms from growing.
You can mow over the mushrooms and then rake them out of your lawn. If there are too many to pick out by hand, you can also try using a natural fungicide, such as vinegar.
Mushrooms are a sign of a healthy soil environment. Fungi, including mushrooms, are nature's way of breaking down decaying organic matter in the soil.

























