How much oleander is fatal if eaten, and how long after poisoning does it cause death?

Oleander is a plant that is super gorgeous when in bloom, so beautiful you can hardly stand it. How long after oleander poisoning does it cause death? How much oleander is fatal if eaten? How long after oleander poisoning does it cause death: it depends on the specific situation. As the saying goes: talking about toxicity without considering dosage is just playing hooligan.