Knowledgebase

White spots turn black on leaves #938472

Asked July 07, 2026, 10:55 PM EDT

I am not sure what is going on with my plant. I am attaching two.close.up.pictures of the leaves. Any information about what is happening and how to fix it would.be greatly appreciated. Thank you!

Dakota County Minnesota

Expert Response

I tenatively identified your plant as Sweet Joe Pye Weed. See these web pages for a possible diagnosis.  
https://ask.extension.org/kb/faq.php?id=582400
https://extension.umn.edu/yard-and-garden-insects/leafminers
https://hort.extension.wisc.edu/articles/leafminers-vegetables/
Submitting a sample to the Plant Disease Clinic for a fee would give you a definite diagnosis. https://pdc.umn.edu/

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