Marigold Leaf Spots - Ask Extension
Hello, I have some marigolds that have a few issues. My question is about the dark, uniform spots on the leaves. I have tried to do some research, b...
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Marigold Leaf Spots #788330
Asked April 28, 2022, 9:04 AM EDT
Hello, I have some marigolds that have a few issues. My question is about the dark, uniform spots on the leaves. I have tried to do some research, but haven’t been able to find anything. Any help in identifying these spots would be greatly appreciated. Thank you!
Stark County Ohio
Expert Response
Pictures of the spots
Good morning, this appears to be leaf spot which is caused by a fungus. This is typically due to extended periods of wet leaf tissue. Here is a factsheet for your reference: https://pnwhandbooks.org/plantdisease/host-disease/marigold-tagetes-spp-leaf-spots#:~:text=Alternaria%20tagetica%20can%20result%20in,become%20totally%20darken%20and%20shriveled.
Best,
Jen
Best,
Jen
