Jade Plants And Dogs. Yes jade plants are toxic to humans as per cornell university website, it can give minor problems and can affect the stomach or intestinal. The jade plant is poisonous for both cats and dogs.
However, in rare instances the leaves can cause a more serious medical issue. In some pets, lethargy, ataxia, muscle tremors and an elevated heart rate can occur. The jade plant is also commonly called a rubber plant and is very toxic to dogs, causing gastric distress, heartbeat irregularities, and depression among other symptoms.