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Pepper Plant

Q.Two Days After I Applied Copper Fungicide To Peppers And Basil, It Rained. Should I Apply Again Sooner Than 2 Weeks?

Zone 02130 | Anonymous added on July 30, 2022 | Answered

I think I have anthrachnose on my pepper plants and black spots on my basil (I pulled the basil).

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Certified GKH Gardening Expert
Answered on August 10, 2022

Your fungicide instructions should include what to do in case of rain. Some products do require reapplying after rain, but with copper, too much can be harmful. When mixed with lime as a bordeaux mixture, it persists through the rain.

Modern copper fungicides usually can be applied every 7 to 10 days. I would follow the instructions with your product, though, as they vary. Here is some general information:



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