Treating powdery mildew organically

Recipe for Roses and Fruit Trees

To help keep the mildew in check, wash the leaves of diseased plant with a watering hose during the early morning hours.

Spray afflicted plants with the following mixture diluted in one gallon of water.

  • 1 1/2 Tablespoon of Baking Soda
  • 1 1/2 Tablespoon of Canola Oil
  • 1 Tablespoon of Vinegar
  • 1 Tablespoon of Mild Dishwashing Detergent Without Ammonia

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