Cailcallow is an herb which grows in marshes used to ease fevers.
Role in the Story
|Spoiler warning: Contains plot elements from multiple books in the series.
Curse of the Mistwraith
Third Age 5638: Elaira notices cailcallow growing in Mogg's Fen when she is summoned from Hanshire to the winter quarters at Mainmere.
Ships of Merior
Third Age 5645: A healer in Jaelot recommends cailcallow tea for the head warder's chest cold. Later, Arithon discovers cailcallow tea in the armory at Alestron.
Third Age 5922: After an apothecary refuses to sell cailcallow to Tarens, Arithon forages for some to treat Efflin's fever.