There are a lot of plants and ingredients that you will need for your alchemical experiments in Kingdom Come: Deliverance 2.

Comfrey plants are used in a number of potions in Kingdom Come: Deliverance 2, and you can grab some for free if you know where to look.

Comfrey is used in all manner of alchemy recipes and ... then look south for the leafy green plants with purple flowers. You also find Comfrey is on the banks of the ponds to the east of Zhelejov ...