Fiddleheads, the curled, edible shoots of the ostrich fern, are a seasonal delicacy harvested in many parts of the Northern United States and Canada. Other types of ferns, like foxglove
Five cases of illness associated with consuming fiddleheads — the edible shoots of ostrich ferns — have recently sprouted up in Toronto, according to a health advisory from Toronto Public Health.
Fiddleheads