The toxic component of fresh day lily poisoning is colchicine. This toxin exists in fresh day lily, but it can be destroyed by blanching. If you eat fresh daylily without blanching, it will cause poisoning. The severity of poisoning symptoms varies, including gastrointestinal reactions such as nausea, diarrhea and abdominal pain, as well as symptoms such as muscle soreness and impaired liver and kidney function. In order to ensure safety, fresh daylily should be fully blanched.