Garden Problems

Powdery Mildew


Anonymous added on May 3, 2011 | Answered

To combat this mildew, it is said to use a hydrogen peroxide mix.  What is the mix? I used about 20 oz to 1 gal of water. Am I close?


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ANSWERS
Nikki
Certified GKH Gardening Expert
Answered on May 3, 2011

Pour a quart of standard 3 percent-strength hydrogen peroxide into a gallon-sized spray bottle. Add three quarts of water and shake the spray bottle to mix its contents thoroughly. If you're using a bigger or smaller bottle, adjust the measurements so you're mixing (1:3) one part hydrogen peroxide and three parts water.

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