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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.

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BRIEF: Are crassula (jade plants) poisonous to humans?

Are crassula (jade plants) poisonous to humans?


It is known to cause diarrhea and irritate the intestine. It is related to the much more toxic Pig's ears (Colyledon orbiculata) and the various Kalanchoe species. I don't think enough jade plant gets eaten to really test its potential as a toxin, but it is one of the most frequently referred plants to poison centers!