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Home remedies for fungal infestations in the garden: our recipes for helpful and ecological DIY plant sprays.

Gardeners often face the dilemma of controlling pests and diseases without the use of harsh and dangerous chemicals. When fighting fungal diseases in the garden, a homemade spray of home remedies often solves these problems without harming the environment and endangering the health of you, your children or your pets. Home remedies for fungal infestations in the garden are a good idea if you want to live healthy and protect nature.

What natural remedies for fungal diseases in the garden?

Powdery mildew can be controlled by home remedies against fungal infestation in the garden

Homemade sprays are a great way to treat diseases in plants, in a way that is cheaper and also more environmentally friendly than buying a fungicide at your local garden center. Here we present some simple and useful recipes for you.

Powdery mildew fighter – DIY.

Mix baking soda with water to protect garden plants from fungal attack

Powdery mildew is the bane of all gardeners. It attacks plants like cucumbers, squash, melons, zucchini, roses, apples and many others. It can be recognized by a powdery, ashy coating on the leaves. Not only is it unsightly, but it also weakens the plants and eventually kills them. This homemade spray stops powdery mildew in its tracks. It is also suitable for the black spot on roses .


4 teaspoons baking soda
1 teaspoon mild soap
4 liters of water

Mix all ingredients together and pour into a spray bottle. Spray all infested leaves from the top and bottom. It is best to spray the entire plant, not just the infested leaves, because even if you can’t see the fungus, it could be present.

Spray for tomatoes do it yourself

Home remedies against fungal infestation in the garden are environmentally friendly

Most of us like to grow tomatoes , but they are susceptible to fungal diseases such as late blight, leaf mold, fusarium wilt and others. Here’s how to stop the fungi that attack tomato plants.


1 garlic bulb
2 tablespoons of canola oil
4 hot peppers
juice of one lemon

Garlic has a strong effect against fungal diseases in the garden

Mix these ingredients and let them sit overnight in a bucket. The next day, strain the mixture through a sieve or cheesecloth to remove all solids. Add 4 tablespoons of this mixture to a spray bottle with a pint of water. Spray the top and bottom of the leaves if you notice signs of fungal disease.

Apple cider vinegar as a home remedy for fungus in the garden.

Apple cider vinegar is very effective against fungal diseases of plants in the garden

Simply add 4 tablespoons of apple cider vinegar to 4 quarts of water. Spray this mixture early in the day to prevent the acid and sun from burning the foliage. This spray is good against scab, black spot, leaf spot and powdery mildew and can be used every few weeks as a preventative.

Horseradish has a strong effect against plant infections.

Horseradish can be used as an effective home remedy for fungal infestation in the garden

You can plant horseradish to use as a fungicide because it is so strong.


1 cup horseradish
0.5 liters of water

Soak overnight. In the morning, strain the mixture and add it to 2 liters of water. Spray it liberally on your plants. Be extra careful not to get it in your eyes.

Spray from cornmeal for fruit trees and roses.

Use cornmeal to make a DIY spray for garden plants

This is another simple homemade spray. It is good for fruit trees, roses and zucchini.


1 cup cornmeal
20 liters of water

Strain after 24 hours and spray directly on the leaves of the plants.

Aspirin as a home remedy for fungal infestation in the garden.

Aspirin is an old method to treat fungal infestation in the garden

This miracle drug, which has helped people for centuries, is also a miracle in the garden. With this simple recipe you will definitely get the best results.


1 aspirin
4 cups of water

Crush the aspirin into a powder and add it to the water. Spray it generously on your plants every few weeks during the growing season. This mixture is also good to spray every two weeks or so as a preventative.

Variegated daisy helps fight plant diseases.

The dried flowers of the variegated daisy are effective against fungal diseases

Pyrethrin is extracted from the dried flowers of variegated daisy. The plant is easy to grow and makes for a fairly effective fungicide spray. Simply dry a few handfuls of flowers and grind them into a powder. Let the powder soak in 16 liters of water for 24 hours.
Strain through a cheesecloth and spray on leaves, both to prevent and treat fungal infections on all plants.

Milk solution: simple home remedy for fungal infections in the garden.

Milk solution can be an effective way to protect your plants from fungus

Spraying your plants with a 20 to 30 percent milk solution can also prove effective in protecting against fungi, such as powdery mildew. Apply the solution twice a week. Unfortunately, there are no definitive studies on which type of milk is best. However, the milk is unlikely to harm your plants, so you can safely try this method of fungus control in your garden. One exception is skim milk – when dried, it can cause soft rot, black rot and leaf spot in some plants, experts say.

General tips for using homemade sprays.

You can use homemade plant sprays to protect your garden plants

Regardless of which homemade spray you choose, keep in mind that fungicides generally prevent infections, not treat plants that are already infected . Watch your plants closely and avoid over-application of these homemade remedies. Use caution when applying sprays to sensitive seedlings and, as with all fungicides, avoid application in hot weather.