It’s been well documented in the ‘Harry Potter’ series that Herbology is a popular class that can be studied as an O.W.L exam in a wizarding school, and taken again for the N.E.W.T exams if students pass it in their O.W.L.s.
Neville Longbottom may be top of the class, but how much do you know about the magical and mundane plants mentioned?

A Wizard’s Guide to Herbology