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"Poisonous" does not mean deadly. Some manifestations of toxicity are subtle. The dose, as always, determines if a plant is safe source of nutrients or a toxic hazard.

Frequently (and not so frequently) Asked Questions

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BRIEF: Are the any poisonous weeds in Florida?

Are there any poisonous weeds in Florida? If so what is the symptoms to dogs if any?


There are many poisonous plants in Florida, and some decent texts and guides that describe them. Have you been to the library or bookstore yet? have you called your local cooperative extension office? Do you have a particular concern about one or two of these plants? Oleander grows in Florida, and can cause heart attacks and arrythmias (often fatal) in dogs.