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How to Use Milk Spray for Powdery Mildew

Lowe's Editorial Team

By Lowe's Editorial Team
Published December 26, 2024

Powdery mildew is white spots that cover entire leaves and slow down the growth of plants. This can cause problems to the plant's health, but you can use a simple and effective milk spray for powdery mildew. Let’s learn how to make and use milk spray for powdery mildew.

Tools and Materials

Tools

Materials

  • Water

  • Milk

  • Liquid soap

  • Alcohol

  • Essential oils

What is Powdery Mildew

Powdery mildew might look harmless, but it weakens the plants and can even attract pests.  It shows up as a white powdered coating on the leaves, buds and stems of plants. The mildew loves warm, dry weather and spreads faster even before you treat it.

Why Use Milk Spray

To treat powdery mildew using milk spray is a good option It is simple and hassle free. It has a natural source of proteins and enzymes which fight against fungus without any harsh chemicals.

How to Make a Milk Spray

The process of making a milk spray is easy.

Take a clean spray bottle and mix one part ​of milk with two parts of water to make the base. ​​For added effectiveness, you can add one teaspoon of rubbing alcohol to help disinfect, especially for challenging mildew problems. Add 4–5 drops of neem or tea tree essential oil. These fight fungus and bacteria and make the spray smell nice. Shake the bottle well to mix everything.

Tip

Add a few drops of liquid dish soap to make the spray sit on the leaves.

How to Use Milk Spray

Let’s learn more about how to apply milk spray.

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