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Lora from Eugene Oregon writes

Is it safe to spray Bonide Liquid Copper Fungicide Concentrate for powdery midew if it is to be 90* outside?

Answer:

We recommend to make the application of Bonide Liquid Copper Fungicide Concentrate when temps are below 85 degrees. We recommend to apply in the morning or evening. If temps rise during the day, that’s okay. It’s at time of application when temps are most important. 

Answer last updated on: 07/30/2018

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