How to Treat Powdery Mildew on Plants - Safer® Brand
If your plants do develop powdery mildew despite your best efforts, don’t worry. There are many environmentally friendly options for eliminating the disease, including: Baking Soda. Baking soda itself isn’t normally effective as a powdery mildew treatment, but when it’s combined with liquid soap and water, it can be a powerful weapon.