Do plants have personalities?

Plants may not have brains, but they exhibit behaviors that challenge our traditional understanding of personality and intelligence. Listener George, a mushroom farmer in Ghana, noticed that even genetically identical plants grow at different rates and display varying behaviors—prompting the question: do plants have personalities? Scientists at Ghana’s Plant Genetic Resources Research Institute confirm that plants do have 'personalities'—not in the human sense, but as a collection of measurable traits like drought tolerance, disease resistance, and growth speed. These differences stem from genetic variation and environmental interaction. In Spain, researcher Paco Calvo argues that plants make flexible, anticipatory decisions—like choosing the juiciest host plant to parasitize—evidence of intelligent behavior. Experiments show plants can learn through habituation, respond to sound, and even appear to 'recover' from anesthesia, raising ethical questions about sentience. The episode concludes that personality isn’t exclusive to humans; individual plants, shaped by unique experiences and environments, behave differently—making the idea of plant personality not just plausible, but scientifically compelling.