How to Get Rid of Downy Mildew in Your Plants

Create a safe, effective solution using baking soda, cooking oil, and shampoo., Spray the plant thoroughly with the solution if there are no symptoms of phytotoxicity., Treat the plants once a week until the weather conditions no longer support the...

6 Steps 2 min read Medium

Step-by-Step Guide

  1. Step 1: Create a safe

    As the main active ingredient, baking soda is a good alternative to chemicals when trying to get rid of downy mildew.

    Mix together 2 tablespoons of baby shampoo, 2 tablespoons of any type of cooking oil and 2 tablespoons of baking soda in 1 gallon (3.8 L) of water in a container.

    Put a cap on the container and shake it until all ingredients are thoroughly mixed.

    Pour a small amount of the solution into a spray bottle.

    Spray a few hidden leaves on plants infected with downy mildew.

    Wait 24 to 36 hours and then check the leaves for brown or yellow spots, brown tips or pale scorched leaves.

    These are all symptoms of phytotoxicity, which can occur in some plants when they are treated with this remedy.
  2. Step 2: effective solution using baking soda

    Shake the rest of the solution up, pour it into the spray bottle and spray the plants until the solution drips from the leaves.

    Be sure to coat the tops and bottoms of the leaves.

    This baking power solution will also kill pests like aphids, lacebugs, mealybugs, scale, spider mites, thrips and whiteflies. , Downy mildew flourishes when temperatures are between 58 and 72 degrees Fahrenheit and the relative humidity is 85% or higher.So once the humidity and temperatures outside drop, you can stop applying this remedy to your plants.
  3. Step 3: cooking oil

  4. Step 4: and shampoo.

  5. Step 5: Spray the plant thoroughly with the solution if there are no symptoms of phytotoxicity.

  6. Step 6: Treat the plants once a week until the weather conditions no longer support the growth of downy mildew.

Detailed Guide

As the main active ingredient, baking soda is a good alternative to chemicals when trying to get rid of downy mildew.

Mix together 2 tablespoons of baby shampoo, 2 tablespoons of any type of cooking oil and 2 tablespoons of baking soda in 1 gallon (3.8 L) of water in a container.

Put a cap on the container and shake it until all ingredients are thoroughly mixed.

Pour a small amount of the solution into a spray bottle.

Spray a few hidden leaves on plants infected with downy mildew.

Wait 24 to 36 hours and then check the leaves for brown or yellow spots, brown tips or pale scorched leaves.

These are all symptoms of phytotoxicity, which can occur in some plants when they are treated with this remedy.

Shake the rest of the solution up, pour it into the spray bottle and spray the plants until the solution drips from the leaves.

Be sure to coat the tops and bottoms of the leaves.

This baking power solution will also kill pests like aphids, lacebugs, mealybugs, scale, spider mites, thrips and whiteflies. , Downy mildew flourishes when temperatures are between 58 and 72 degrees Fahrenheit and the relative humidity is 85% or higher.So once the humidity and temperatures outside drop, you can stop applying this remedy to your plants.

About the Author

M

Maria Gutierrez

Dedicated to helping readers learn new skills in crafts and beyond.

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