10 Best Homemade DIY Fungicide Recipes for Plants (2024)

Here are the Best Homemade DIY Fungicide Recipes for Plantsthat you can make easily and control the diseases and pests on houseplants!

Fungi are a common problem in gardens and plantations, causing various diseases that can affect the health and growth of beloved plants. To help you combat the problem, we have the Best Homemade DIY Fungicide Recipes for Plantsin this article!

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Best Homemade DIY Fungicide Recipes for Plants

While there are many commercial fungicides available on the market, many people prefer to use homemade fungicide recipes to avoid the potential risks associated with synthetic chemicals. Homemade fungicides are not only cost-effective but also safe for plants, humans, and the environment. In this article, we will discuss some of the most effective homemade fungicide recipes.

1. Baking Soda Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (1)

Baking soda is a natural fungicide that can effectively control fungal diseases on plants. It works by creating an alkaline environment on the plant’s surface, which prevents the growth and spread of fungi.

To make a baking soda fungicide, mix one tablespoon of baking soda, one teaspoon of vegetable oil, and one gallon of water. Shake the combination well and spray it on the plants’ surface, making sure to cover both sides of the leaves. This recipe is particularly effective against powdery mildew and black spot.

Learn how to kill plant fungus with baking soda here

2. Neem Oil Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (2)Neem oil is a natural insecticide and fungicide derived from the seeds of the neem tree. It contains compounds that have antifungal properties and can help control a wide range of fungal diseases.

To make a neem oil fungicide, mix two tablespoons of neem oil and one gallon of water. Shake the mixture well and spray it on the plants, making sure to cover both sides of the leaves. This recipe is particularly effective against rust, anthracnose, and leaf spot.

Here are the best neem oil uses in the garden

3. Vinegar Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (3)

Vinegar is a natural acid that can create an acidic environment on the plant’s surface, which can help prevent the growth and spread of fungi.

To make a vinegar fungicide, mix one tablespoon of apple cider vinegar (or white vinegar), one teaspoon of baking soda, and one gallon of water. Shake the mixture well and spray it on the plants, making sure to cover both sides of the leaves.

It’s suggested if you do a patch test a day before on a couple of leaves before spraying on the entire plant.

This recipe is particularly effective against black spots and powdery mildew. It is one of the Best Homemade DIY Fungicide Recipes for Plants.

Check out the best vinegar uses in homes and gardens here

4. Garlic Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (4)

Garlic contains compounds that have antifungal properties and can help control a wide range of fungal diseases.

To make a garlic fungicide, chop four cloves of garlic and soak them in two tablespoons of vegetable oil for 24 hours. Strain the blend and add one pint of water.

Shake the remedy well and spray it on the plants, making sure to cover both sides of the leaves. This recipe is particularly effective against downy mildew and gray mold.

Here’s all you need to know about making a garlic water pesticide

5. Milk Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (5)Milk can control a wide range of fungal diseases thanks to its antifungal properties. It contains lactic acid, which helps to reduce the pH of infected plant tissue, rendering it uninhabitable to many fungal species.

It also contains compounds that may disrupt the fungal cell wall or interfere with fungal respiration.

To use milk as a fungicide, it is typically diluted with water (1:9 ratio) and then sprayed onto the infected plants. This solution should be reapplied every few days until the problem is resolved.

Check out some excellent milk uses in the garden here

6. Chamomile Tea Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (6)

Chamomile can help managing many fungal diseases. To make a chamomile tea fungicide, steep four chamomile tea bags in one quart of hot water for 30 minutes.

Remove the tea bags and add one quart of cold water. Shake the mixture well and spray it on the plants, making sure to cover both sides of the leaves. This recipe is particularly effective against damping-off and root rot.

Learn how to grow Chamomile in pots here

7. Cinnamon Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (7)

Another Homemade DIY Fungicide Recipes for Plants that works really well can be made using cinnamon. Mix one tablespoon of cinnamon powder and one gallon of water. Shake the mixture well and spray it on the plants, making sure to cover both sides of the leaves.

This recipe is particularly effective against damping-off and powdery mildew.

Check out some amazing Cinnamon dust benefits for plants here

8. Hydrogen Peroxide Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (8)Hydrogen peroxide is a natural disinfectant that can help control fungal diseases in plants. To make a hydrogen peroxide fungicide, mix one tablespoon of hydrogen peroxide (3%) and one gallon of water.

Shake the mixture well and spray it on the plants, making sure to cover both sides of the leaves. This recipe is particularly effective against root rot and damping-off.

Check out Hydrogen Peroxide uses in the garden here

9. Tea Tree Oil Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (9)

Tea tree oil is a natural antiseptic and fungicide that can help control a wide range of fungal issues. To make a tea tree oil fungicide, mix one tablespoon of tea tree oil and one gallon of water.

Shake the mixture well and spray it on the plants, making sure to cover both sides of the leaves. This recipe is particularly effective against powdery mildew and black spot.

10. Epsom Salt Fungicide

10 Best Homemade DIY Fungicide Recipes for Plants (10)Epsom salt contains magnesium and sulfur, which can help strengthen plants and prevent fungal diseases. To make an Epsom salt fungicide, dissolve one tablespoon of Epsom salt in one gallon of water.

Shake the solution well and spray it on the plants, making sure to cover both sides of the leaves. This recipe is particularly effective against leaf spots and powdery mildew. It is one of the Best Homemade DIY Fungicide Recipes for Plants.

Here’s everything about how to use Epsom salt as a fungicide

The Bottom Line

While homemade fungicides are generally safe, it is still important to take precautions when using them. Always wear protective clothing, including gloves and a mask, when handling and spraying the fungicides.

Also, test the fungicide on a leaf or a small area on the stem before spraying it on the entire plant to make sure it does not cause any damage.

10 Best Homemade DIY Fungicide Recipes for Plants (2024)

FAQs

10 Best Homemade DIY Fungicide Recipes for Plants? ›

A good place to start is a mix of mild liquid soap and water, sprayed onto houseplants. One teaspoon of soap per litre of water will do the job. It sounds simple, but this formula will treat a lot of common houseplant pests. Add just a teaspoon of bicarbonate of soda and it becomes a great fungicide as well.

What is the best homemade fungicide? ›

A good place to start is a mix of mild liquid soap and water, sprayed onto houseplants. One teaspoon of soap per litre of water will do the job. It sounds simple, but this formula will treat a lot of common houseplant pests. Add just a teaspoon of bicarbonate of soda and it becomes a great fungicide as well.

How do you make antifungal spray for plants? ›

Making the Spray

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.

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

A solution of hydrogen peroxide and water is a great answer to your growing fungus problem. Mix up one part peroxide to nine parts water (so try an ounce of hydrogen peroxide with nine ounces of water) and add it to a spray bottle. Spray your affected plant (or plants) with the solution.

What is the most potent natural fungicide? ›

In a study that examined the effectiveness of echinacea, goldenseal, and myrrh against Candida, researchers found that “echinacea demonstrated the greatest antifungal activity.”

What is the best natural fungus killer? ›

What are the top natural remedies for fungal infections? Some effective natural remedies include tea tree oil, garlic, yogurt, apple cider vinegar, baking soda, coconut oil, oregano oil, aloe vera, turmeric, and maintaining hygiene.

Can you spray apple cider vinegar on plants for fungus? ›

A mixture of 2-3 tablespoons of common apple cider vinegar, containing 5% acetic acid mixed with a gallon of water does job. However, too much vinegar can burn plants but at the same time, higher concentrations (above 5%) are more effective.

How do you stop fungus from growing on plants? ›

Avoid overhead watering.

Many fungal diseases can't germinate and spread unless leaves and other plant parts stay wet for long periods. You can't control rain, but you can control irrigation. Drip irrigation and careful hand watering keep leaves dry.

Can I spray apple cider vinegar on my plants? ›

Using organic, raw and unfiltered ACV, such as Willy's, is great for your plants due to it containing pulp which has the highest amount of nutrients for your plants! Simply mix water with your apple cider vinegar and pour it into a sprayer or watering can.

How is baking soda good for plants? ›

Baking soda's supposed anti-fungal properties have been spread around for many years as a natural home remedy to treat fungal infections, including black spot, powdery mildew, and a multitude of other fungi. When applied to plant leaves and stems, baking soda does slow or stop the growth of fungi.

How do you treat brown spots on plants naturally? ›

Treatment:
  1. Prune and remove heavily affected leaves. ...
  2. Provide frequent treatment of neem oil or another fungicide to the foliage. ...
  3. Avoid getting water onto the leaves as it recovers.
  4. Keep the plant away from other plants temporarily. ...
  5. Monitor daily to ensure the infection has stopped spreading.

How do you make plant fungus killer? ›

Here are some natural recipes to try:
  1. Baking soda. ...
  2. Dish soap Another easy home mixture that can be effective against fungus on plants is a teaspoon of dish soap in a gallon of water.
  3. Apple cider vinegar Mix four tablespoons of apple cider vinegar in a gallon of water for an effective fungal spray.
Feb 2, 2024

Is baking soda and vinegar good for fungus? ›

Vinegar is a weak acid and will help to kill off the fungus without altering the Ph level. Mix 4-5 tablespoons of baking soda with 1 cup of apple cider vinegar and add enough warm water to fully soak your feet. Soak for 15 minutes and then pat dry with a paper towel.

Is hydrogen peroxide a good fungicide? ›

Hydrogen peroxide, well known as an ingredient in disinfectant products, is now also approved for controlling microbial pests on crops growing indoors and outdoors, and on certain crops after harvest. This active ingredient prevents and controls bacteria and fungi that cause serious plant diseases.

What is the world's number one fungicide? ›

Amistar Top Fungicide is the world's leading fungicide powered with Proven Amistar® technology, having an effective broad spectrum control and long duration control fungicide which covers a broad range of diseases.

Is apple cider vinegar a good fungicide? ›

Apple cider vinegar: This one has multiple uses in the garden. First, you can dilute it with water and use as a fungicide to control black spot. It also helps slightly reduce the pH of our alkaline soil. Lowering the pH helps make iron more available to the plants.

Does vinegar work as fungicide for plants? ›

If you have plants suffering from fungus and mold, you can protect them with a simple vinegar fungicide.

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