Goosegrass (Galium aparine) is a species of plant in the madder family. It's used in potion-making; it can be bought in one apothecary, at Diagon Alley. It's yellow in colour.
Goosegrass (Galium aparine) is a species of plant in the madder family. It's used in potion-making; it can be bought in one apothecary, at Diagon Alley. It's yellow in colour.