Category Archives: Charts and Lists

Poisonous Plants in Oklahoma

Plant name Symptoms Fatal? Wisteria GI upset, mild to severe Privet GI upset, mild to severe Possibly Yew Depresses heart action Yes, often with no warning signs Azaleas, Laurels, Rododendron Nausea, vomiting, difficulty breathing Possibly Holly berries GI upset, severe … Continue reading

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