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Rhubarb plants #872681
Asked June 11, 2024, 6:00 PM EDT
Hennepin County Minnesota
Expert Response
Rhubarb leaves contain high levels of oxalic acid and so are poisonous to many pests. But there still are a few that can survive it. Most likely would be slugs:
https://ask2.extension.org/kb/faq.php?id=263914
Find some other possibilities here:
https://ohioline.osu.edu/factsheet/hyg-1631