How Does One Cure Powdery Mildew Naturally?


Quick Answer

There are several natural and organic garden approved homemade sprays effective in attacking powdery mildew on the leaves of garden plants, including neem oil, cow's milk and baking soda mixed with dormant oil and liquid soap. Each of these solutions is mixed with water and applied directly to the leaves and stems of the affected plants. Powdery mildew can be controlled, but it cannot be cured.

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Full Answer

Powdery mildew is a common family of white and gray fungi that attack ornamentals, such as bee balm, zinnias, lilacs, roses and garden phlox. It also attacks vegetables including cucumbers, beans, melons and squash. Catching powdery mildew early is the best way to ensure that it can be controlled. Research studies show that cow's milk effectively controls powdery mildew, in a formula of 1 part cows milk to 9 parts water sprayed on stems and the tops of leaves and reapplied after rain.

Another purportedly effective method of removing powdery mildew is a formula of 1 tablespoon of baking soda, 1 teaspoon dormant oil and 1 teaspoon liquid soap added to one gallon of water. The key to keeping plants free of powdery mildew is prevention through choosing mildew-resistant varieties of plants, leaving plenty of space around plants to promote good air circulation, sitting plants in direct sunlight and removing excess garden debris, as powdery mildew spores overwinter in such debris.

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