Cannabis is generally a robust plant, but it can fall victim to fungal infections after blooming in the summer, something that anyone wishing to harvest it should be watching out for. A 2023 study found that the harmful fungi that contaminate some plants can make people sick, especially if they are immunocompromized and regardless of whether they consume the cannabis for medical or recreational purposes. Grey mould, a kind of fungus that often appears at the end of flowering and shortly before the harvesting, is what any cannabis plant owner should be looking out for, says Simon Kraushaar from…