Knotgrass is used in the Polyjuice Potion
Knotgrass is native to European forests
Knotgrass grows 5 cm- 4 m tall
Knotgrass should be planted in soil with pH levels 6.1- 7.3
Knotgrass needs lots of water
If Knotgrass gets lots of sunlight it has more growth
Knotgrass Mead is drunken at weddings
When Knotgrass is planted it is 2 inches to 14 feet
Knotgrass flowers in summer
Knotgrass flowers are white, pink or green
When Knotgrass is done blooming you should cut it below the flowers