Could Serenade have damaged these plants?

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Green
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Could Serenade have damaged these plants?

Post by Green » July 7th, 2017, 11:17 pm

I sprayed Serenade on a bunch of plants, including Iris, Lily of the Valley, and Hosta a couple weeks or so ago.

I highly doubt that what I'm seeing is from the Serenade...it must be a coincidence...but the Lily of the Valley and the Iris leaves are showing serious disease or burn marks now...they're going splotchy brown. Looks similar to leaf spot disease on grass. In fact, googling "Iris leaf spot" brings up photos that look a lot like what they have.

Any ideas?

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andy10917
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Re: Could Serenade have damaged these plants?

Post by andy10917 » July 7th, 2017, 11:29 pm

I have 4 million Lily of the Valley, and they regularly get splattered with Serenade. No effect.

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