Species information
Usage
• Ingredient in Polyjuice Potion
• Ingredient in Knotgrass Mead
"This is the most complicated potion I've ever seen. Lacewing flies, leeches, fluxweed, and knotgrass. Well, they're easy enough"
- Hermione Granger on the Polyjuice Potion ingredients.
Knotgrass was a plant with magical properties. It was used in Potion-making, and was an essential ingredient in the making of the Polyjuice Potion, as well as in the brewing of the alcoholic beverage Knotgrass Mead.