Farming Khadgar's Whisker in Eastern Plaguelands. Absolutely the best place to farm Khadgar's Whisker is in the Eastern Plaguelands. It is found in great abundance here along side two other valuable herbs Liferoot and Sungrass. Stay between the cliffs and away from the shoreline to find the most Khadgar's Whisker..Khadgar's Whisker is an herb that can be found in level zones. Requires Herbalism . In the Herb Objects category. Added in Classic World of Warcraft..Khadgar's Whisker always grows near trees or other plants. Khadgar's Whisker There are two good zones where you can farm this herb there is more, but these are the best ones , and they are next to each other, so even if someone is farming in one of them, you can try the other zone..Khadgar's Whisker is an herb gatherable by herbalists that can be found in level zones. Alchemists can use it to craft various potions..